diff --git a/docs/ref/contrib/postgres/fields.txt b/docs/ref/contrib/postgres/fields.txt
index eb46074e1e..97f4913fec 100644
--- a/docs/ref/contrib/postgres/fields.txt
+++ b/docs/ref/contrib/postgres/fields.txt
@@ -887,7 +887,7 @@ Returned objects are empty ranges. Can be chained to valid lookups for a
     <QuerySet []>
 
 Defining your own range types
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+-----------------------------
 
 PostgreSQL allows the definition of custom range types. Django's model and form
 field implementations use base classes below, and psycopg2 provides a