diff --git a/web_dialog_size/README.rst b/web_dialog_size/README.rst
index b9fc24ef..3d73cdea 100644
--- a/web_dialog_size/README.rst
+++ b/web_dialog_size/README.rst
@@ -1,7 +1,7 @@
 Expand Dialog
 =============
 
-A module that let the user expand a dialog box to the full screen width.
+A module that lets the user expand a dialog box to the full screen width.
 
 It is named web_dialog_size as it could be extended to propose other dialog size management feature.