diff --git a/CHANGELOG b/CHANGELOG
index 79286b45ba..3e5436cd91 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Limit readonly state for xxx2Many
 * Use home directory as default path for database and web root.
 * Add count option on Action Window Domains
 * Remove window_name on Action Window
diff --git a/doc/ref/models/fields.rst b/doc/ref/models/fields.rst
index 02232acf56..8b7bc01604 100644
--- a/doc/ref/models/fields.rst
+++ b/doc/ref/models/fields.rst
@@ -41,6 +41,12 @@ If ``True``, the field is not allowed to be empty. Default is ``False``.
 
 If ``True``, the field is not editable in the client. Default is ``False``.
 
+.. warning::
+    For relational fields, it means only the new, delete, add and remove
+    buttons are inactivated. The editable state of the target record must be
+    managed at the target model level.
+
+
 ``domain``
 ----------