diff --git a/partner_tier_validation/README.rst b/partner_tier_validation/README.rst
index 777f7887d..b7b6df806 100644
--- a/partner_tier_validation/README.rst
+++ b/partner_tier_validation/README.rst
@@ -52,6 +52,11 @@ This module depends on ``base_tier_validation``. You can find it at
 Usage
 =====
 
+Before using, check Contact Stages configuration,
+to ensure that the default stage has the "Related State" field
+set to "To Approve".
+For example, having the "Draft" stage the default ensures this.
+
 A regular user creates a new Contact and sends it for approval:
 
 #. Create a Contact triggering at least one "Tier Definition".
diff --git a/partner_tier_validation/static/description/index.html b/partner_tier_validation/static/description/index.html
index a247d0b51..156e08557 100644
--- a/partner_tier_validation/static/description/index.html
+++ b/partner_tier_validation/static/description/index.html
@@ -398,6 +398,10 @@ for approval.</p>
 </div>
 <div class="section" id="usage">
 <h1><a class="toc-backref" href="#id2">Usage</a></h1>
+<p>Before using, check Contact Stages configuration,
+to ensure that the default stage has the “Related State” field
+set to “To Approve”.
+For example, having the “Draft” stage the default ensures this.</p>
 <p>A regular user creates a new Contact and sends it for approval:</p>
 <ol class="arabic simple">
 <li>Create a Contact triggering at least one “Tier Definition”.