diff --git a/date_range/__manifest__.py b/date_range/__manifest__.py
index df33594..a479a20 100644
--- a/date_range/__manifest__.py
+++ b/date_range/__manifest__.py
@@ -4,7 +4,7 @@
 {
     "name": "Date Range",
     "summary": "Manage all kind of date range",
-    "version": "10.0.1.0.1",
+    "version": "10.0.1.0.2",
     "category": "Uncategorized",
     "website": "https://odoo-community.org/",
     "author": "ACSONE SA/NV, Odoo Community Association (OCA)",
diff --git a/date_range/i18n/am.po b/date_range/i18n/am.po
index ce1a674..f0d0dbf 100644
--- a/date_range/i18n/am.po
+++ b/date_range/i18n/am.po
@@ -20,7 +20,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ar.po b/date_range/i18n/ar.po
index 7457204..8d28dce 100644
--- a/date_range/i18n/ar.po
+++ b/date_range/i18n/ar.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/bg.po b/date_range/i18n/bg.po
index 0f442e6..f43d487 100644
--- a/date_range/i18n/bg.po
+++ b/date_range/i18n/bg.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/bs.po b/date_range/i18n/bs.po
index 8f14579..644d935 100644
--- a/date_range/i18n/bs.po
+++ b/date_range/i18n/bs.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ca.po b/date_range/i18n/ca.po
index fafde1b..ff7b64d 100644
--- a/date_range/i18n/ca.po
+++ b/date_range/i18n/ca.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr ""
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s no és un rang vàlid (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/ca_ES.po b/date_range/i18n/ca_ES.po
index 2dc6a87..3457a1a 100644
--- a/date_range/i18n/ca_ES.po
+++ b/date_range/i18n/ca_ES.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr ""
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s no és un rang vàlid (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/cs.po b/date_range/i18n/cs.po
index d65010b..5ef3574 100644
--- a/date_range/i18n/cs.po
+++ b/date_range/i18n/cs.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/da.po b/date_range/i18n/da.po
index 50ed5f7..cb4385b 100644
--- a/date_range/i18n/da.po
+++ b/date_range/i18n/da.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/de.po b/date_range/i18n/de.po
index 99789eb..cc1dd09 100644
--- a/date_range/i18n/de.po
+++ b/date_range/i18n/de.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr "%s ist nicht im erlaubten Bereich (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s ist nicht im erlaubten Bereich (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/el_GR.po b/date_range/i18n/el_GR.po
index 9634552..ec29c9b 100644
--- a/date_range/i18n/el_GR.po
+++ b/date_range/i18n/el_GR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/en_AU.po b/date_range/i18n/en_AU.po
index 23d5ed6..f1c93d2 100644
--- a/date_range/i18n/en_AU.po
+++ b/date_range/i18n/en_AU.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/en_GB.po b/date_range/i18n/en_GB.po
index 939388b..6691574 100644
--- a/date_range/i18n/en_GB.po
+++ b/date_range/i18n/en_GB.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es.po b/date_range/i18n/es.po
index 187a6de..d3f3cc5 100644
--- a/date_range/i18n/es.po
+++ b/date_range/i18n/es.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr "%s no es un rango válido (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s no es un rango válido (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/es_AR.po b/date_range/i18n/es_AR.po
index 4c550d5..93de073 100644
--- a/date_range/i18n/es_AR.po
+++ b/date_range/i18n/es_AR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_CL.po b/date_range/i18n/es_CL.po
index 1ee2db7..166cdeb 100644
--- a/date_range/i18n/es_CL.po
+++ b/date_range/i18n/es_CL.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_CO.po b/date_range/i18n/es_CO.po
index 515ae06..3472834 100644
--- a/date_range/i18n/es_CO.po
+++ b/date_range/i18n/es_CO.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_CR.po b/date_range/i18n/es_CR.po
index ddb816d..78a8e38 100644
--- a/date_range/i18n/es_CR.po
+++ b/date_range/i18n/es_CR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_DO.po b/date_range/i18n/es_DO.po
index c7d17dc..9a61914 100644
--- a/date_range/i18n/es_DO.po
+++ b/date_range/i18n/es_DO.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_EC.po b/date_range/i18n/es_EC.po
index 32f16c5..1eb65d9 100644
--- a/date_range/i18n/es_EC.po
+++ b/date_range/i18n/es_EC.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_ES.po b/date_range/i18n/es_ES.po
index 8d3b16a..12ef258 100644
--- a/date_range/i18n/es_ES.po
+++ b/date_range/i18n/es_ES.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_MX.po b/date_range/i18n/es_MX.po
index 5b6fea0..a96a864 100644
--- a/date_range/i18n/es_MX.po
+++ b/date_range/i18n/es_MX.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_PE.po b/date_range/i18n/es_PE.po
index 3a638bf..cab240e 100644
--- a/date_range/i18n/es_PE.po
+++ b/date_range/i18n/es_PE.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_PY.po b/date_range/i18n/es_PY.po
index ece4bc3..535b11f 100644
--- a/date_range/i18n/es_PY.po
+++ b/date_range/i18n/es_PY.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/es_VE.po b/date_range/i18n/es_VE.po
index 6438509..be38bec 100644
--- a/date_range/i18n/es_VE.po
+++ b/date_range/i18n/es_VE.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/et.po b/date_range/i18n/et.po
index 675b0bd..61a8242 100644
--- a/date_range/i18n/et.po
+++ b/date_range/i18n/et.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/eu.po b/date_range/i18n/eu.po
index 6935d1e..7a5a4a8 100644
--- a/date_range/i18n/eu.po
+++ b/date_range/i18n/eu.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fa.po b/date_range/i18n/fa.po
index 857efa5..90911c1 100644
--- a/date_range/i18n/fa.po
+++ b/date_range/i18n/fa.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fi.po b/date_range/i18n/fi.po
index fc9b069..c541364 100644
--- a/date_range/i18n/fi.po
+++ b/date_range/i18n/fi.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fr.po b/date_range/i18n/fr.po
index 2c52e37..76cfbe8 100644
--- a/date_range/i18n/fr.po
+++ b/date_range/i18n/fr.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fr_CA.po b/date_range/i18n/fr_CA.po
index 6ccebef..9b2ce43 100644
--- a/date_range/i18n/fr_CA.po
+++ b/date_range/i18n/fr_CA.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fr_CH.po b/date_range/i18n/fr_CH.po
index 56ad837..a859cd9 100644
--- a/date_range/i18n/fr_CH.po
+++ b/date_range/i18n/fr_CH.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/fr_FR.po b/date_range/i18n/fr_FR.po
index 6ac1c3a..0c4761f 100644
--- a/date_range/i18n/fr_FR.po
+++ b/date_range/i18n/fr_FR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/gl.po b/date_range/i18n/gl.po
index fb9eb39..4177286 100644
--- a/date_range/i18n/gl.po
+++ b/date_range/i18n/gl.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/gl_ES.po b/date_range/i18n/gl_ES.po
index 78d04be..7b8beea 100644
--- a/date_range/i18n/gl_ES.po
+++ b/date_range/i18n/gl_ES.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/he.po b/date_range/i18n/he.po
index d8e1644..1abbd3a 100644
--- a/date_range/i18n/he.po
+++ b/date_range/i18n/he.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/hi.po b/date_range/i18n/hi.po
index b119c72..8a75727 100644
--- a/date_range/i18n/hi.po
+++ b/date_range/i18n/hi.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/hr.po b/date_range/i18n/hr.po
index 8711cce..8ea3891 100644
--- a/date_range/i18n/hr.po
+++ b/date_range/i18n/hr.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr "%s nije valjani raspon (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s nije valjani raspon (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/hr_HR.po b/date_range/i18n/hr_HR.po
index 2d36914..32881d5 100644
--- a/date_range/i18n/hr_HR.po
+++ b/date_range/i18n/hr_HR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/hu.po b/date_range/i18n/hu.po
index c21fe4a..3ac9e71 100644
--- a/date_range/i18n/hu.po
+++ b/date_range/i18n/hu.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/id.po b/date_range/i18n/id.po
index 4993ff4..9241ea1 100644
--- a/date_range/i18n/id.po
+++ b/date_range/i18n/id.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/it.po b/date_range/i18n/it.po
index cd8e07d..acf0c44 100644
--- a/date_range/i18n/it.po
+++ b/date_range/i18n/it.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ja.po b/date_range/i18n/ja.po
index a43e7bf..c7b7ef0 100644
--- a/date_range/i18n/ja.po
+++ b/date_range/i18n/ja.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ko.po b/date_range/i18n/ko.po
index ef23683..e925577 100644
--- a/date_range/i18n/ko.po
+++ b/date_range/i18n/ko.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/lo.po b/date_range/i18n/lo.po
index 3e006b9..a1a3bdb 100644
--- a/date_range/i18n/lo.po
+++ b/date_range/i18n/lo.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/lt.po b/date_range/i18n/lt.po
index 11b2221..7ee3f4d 100644
--- a/date_range/i18n/lt.po
+++ b/date_range/i18n/lt.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/lt_LT.po b/date_range/i18n/lt_LT.po
index 3268bf3..ca0c487 100644
--- a/date_range/i18n/lt_LT.po
+++ b/date_range/i18n/lt_LT.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/lv.po b/date_range/i18n/lv.po
index be5facd..393ffaf 100644
--- a/date_range/i18n/lv.po
+++ b/date_range/i18n/lv.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/mk.po b/date_range/i18n/mk.po
index 33f707d..d85afa0 100644
--- a/date_range/i18n/mk.po
+++ b/date_range/i18n/mk.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/mn.po b/date_range/i18n/mn.po
index cf0e94b..1b09cef 100644
--- a/date_range/i18n/mn.po
+++ b/date_range/i18n/mn.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/nb.po b/date_range/i18n/nb.po
index 8568304..0715a28 100644
--- a/date_range/i18n/nb.po
+++ b/date_range/i18n/nb.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/nb_NO.po b/date_range/i18n/nb_NO.po
index 1e0beac..50ce0df 100644
--- a/date_range/i18n/nb_NO.po
+++ b/date_range/i18n/nb_NO.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/nl.po b/date_range/i18n/nl.po
index fee14f7..99b7166 100644
--- a/date_range/i18n/nl.po
+++ b/date_range/i18n/nl.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/nl_BE.po b/date_range/i18n/nl_BE.po
index baa484b..51a2b15 100644
--- a/date_range/i18n/nl_BE.po
+++ b/date_range/i18n/nl_BE.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/nl_NL.po b/date_range/i18n/nl_NL.po
index 9bd9001..48ebe77 100644
--- a/date_range/i18n/nl_NL.po
+++ b/date_range/i18n/nl_NL.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr "%s is geen geldig bereik (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s is geen geldig bereik (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/pl.po b/date_range/i18n/pl.po
index 6af7b96..963028d 100644
--- a/date_range/i18n/pl.po
+++ b/date_range/i18n/pl.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/pt.po b/date_range/i18n/pt.po
index e4c1d5c..6a505d2 100644
--- a/date_range/i18n/pt.po
+++ b/date_range/i18n/pt.po
@@ -21,8 +21,8 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
-msgstr "%s não é um intervalo válido (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
+msgstr "%s não é um intervalo válido (%s > %s)"
 
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:71
diff --git a/date_range/i18n/pt_BR.po b/date_range/i18n/pt_BR.po
index d13e473..d4d480b 100644
--- a/date_range/i18n/pt_BR.po
+++ b/date_range/i18n/pt_BR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/pt_PT.po b/date_range/i18n/pt_PT.po
index 331f948..110f992 100644
--- a/date_range/i18n/pt_PT.po
+++ b/date_range/i18n/pt_PT.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ro.po b/date_range/i18n/ro.po
index 856b00f..651e6ff 100644
--- a/date_range/i18n/ro.po
+++ b/date_range/i18n/ro.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/ru.po b/date_range/i18n/ru.po
index 516450b..bf79139 100644
--- a/date_range/i18n/ru.po
+++ b/date_range/i18n/ru.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/sk.po b/date_range/i18n/sk.po
index 43f7277..ff24122 100644
--- a/date_range/i18n/sk.po
+++ b/date_range/i18n/sk.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/sl.po b/date_range/i18n/sl.po
index c170aaf..5a9ace5 100644
--- a/date_range/i18n/sl.po
+++ b/date_range/i18n/sl.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/sr.po b/date_range/i18n/sr.po
index 1376f85..b415355 100644
--- a/date_range/i18n/sr.po
+++ b/date_range/i18n/sr.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/sr@latin.po b/date_range/i18n/sr@latin.po
index 79e6898..fa72736 100644
--- a/date_range/i18n/sr@latin.po
+++ b/date_range/i18n/sr@latin.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/sv.po b/date_range/i18n/sv.po
index 8df7531..8bf5067 100644
--- a/date_range/i18n/sv.po
+++ b/date_range/i18n/sv.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/th.po b/date_range/i18n/th.po
index 20ed3c7..600337e 100644
--- a/date_range/i18n/th.po
+++ b/date_range/i18n/th.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/tr.po b/date_range/i18n/tr.po
index 4b07bbc..e527b49 100644
--- a/date_range/i18n/tr.po
+++ b/date_range/i18n/tr.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/tr_TR.po b/date_range/i18n/tr_TR.po
index 5eb6b84..1822054 100644
--- a/date_range/i18n/tr_TR.po
+++ b/date_range/i18n/tr_TR.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/uk.po b/date_range/i18n/uk.po
index d3f13c0..bcffaa8 100644
--- a/date_range/i18n/uk.po
+++ b/date_range/i18n/uk.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/vi.po b/date_range/i18n/vi.po
index 3521c37..c104b0b 100644
--- a/date_range/i18n/vi.po
+++ b/date_range/i18n/vi.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/vi_VN.po b/date_range/i18n/vi_VN.po
index da3ceb7..2e7c92b 100644
--- a/date_range/i18n/vi_VN.po
+++ b/date_range/i18n/vi_VN.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/zh_CN.po b/date_range/i18n/zh_CN.po
index a56ab17..a624fba 100644
--- a/date_range/i18n/zh_CN.po
+++ b/date_range/i18n/zh_CN.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/i18n/zh_TW.po b/date_range/i18n/zh_TW.po
index 3616f59..c6e355c 100644
--- a/date_range/i18n/zh_TW.po
+++ b/date_range/i18n/zh_TW.po
@@ -21,7 +21,7 @@ msgstr ""
 #. module: date_range
 #: code:addons/date_range/models/date_range.py:43
 #, python-format
-msgid "%s is not a valid range (%s >= %s)"
+msgid "%s is not a valid range (%s > %s)"
 msgstr ""
 
 #. module: date_range
diff --git a/date_range/models/date_range.py b/date_range/models/date_range.py
index 7f1fb94..92ba83f 100644
--- a/date_range/models/date_range.py
+++ b/date_range/models/date_range.py
@@ -38,9 +38,9 @@ class DateRange(models.Model):
         for this in self:
             start = fields.Date.from_string(this.date_start)
             end = fields.Date.from_string(this.date_end)
-            if start >= end:
+            if start > end:
                 raise ValidationError(
-                    _("%s is not a valid range (%s >= %s)") % (
+                    _("%s is not a valid range (%s > %s)") % (
                         this.name, this.date_start, this.date_end))
             if this.type_id.allow_overlap:
                 continue
diff --git a/date_range/tests/test_date_range.py b/date_range/tests/test_date_range.py
index 32a227d..e5cd5e4 100644
--- a/date_range/tests/test_date_range.py
+++ b/date_range/tests/test_date_range.py
@@ -56,7 +56,7 @@ class DateRangeTest(TransactionCase):
             })
         self.assertEqual(
             cm.exception.name,
-            'FS2016 is not a valid range (2016-12-31 >= 2015-01-01)')
+            'FS2016 is not a valid range (2016-12-31 > 2015-01-01)')
 
     def test_overlap(self):
         date_range = self.env['date.range']