diff --git a/docs/ref/models/relations.txt b/docs/ref/models/relations.txt
index fc4b10af932..e89355679ad 100644
--- a/docs/ref/models/relations.txt
+++ b/docs/ref/models/relations.txt
@@ -195,7 +195,7 @@ will first disassociate any existing objects in the related set before adding
 the contents of ``new_list``. Otherwise the objects in ``new_list`` will be
 added to the existing related object set.
 
-.. versionchanged:1.9
+.. versionchanged:: 1.9
 
     In earlier versions, direct assignment used to perform ``clear()`` followed
     by ``add()``. It now performs a ``set()`` with the keyword argument