diff --git a/doc/reference/guidelines.rst b/doc/reference/guidelines.rst
index c718d82b989..6a62891fffe 100644
--- a/doc/reference/guidelines.rst
+++ b/doc/reference/guidelines.rst
@@ -222,7 +222,6 @@ Use the following pattern :
   *concerned_group* is the short name of the concerned group ('user'
   for the 'model_name_group_user', 'public' for public user, 'company'
   for multi-company rules, ...).
-* For a group : :samp:`{<model_name>}_group_{<group_name>}` where *group_name* is the name of the group, generally 'user', 'manager', ...
 
 .. code-block:: xml