diff --git a/docs/ref/models/custom_lookups.txt b/docs/ref/models/custom_lookups.txt
index 6912ca6496..aee70c5c77 100644
--- a/docs/ref/models/custom_lookups.txt
+++ b/docs/ref/models/custom_lookups.txt
@@ -180,6 +180,7 @@ as_mysql() method and registering the subclass over the original class::
   Field.register_lookup(MySQLNotExact)
 
 The alternate is to monkey-patch the existing class in place::
+
   def as_mysql(self, qn, connection):
       lhs, lhs_params = self.process_lhs(qn, connection)
       rhs, rhs_params = self.process_rhs(qn, connection)
diff --git a/docs/ref/models/index.txt b/docs/ref/models/index.txt
index c61bb35a5f..5d67827fe7 100644
--- a/docs/ref/models/index.txt
+++ b/docs/ref/models/index.txt
@@ -13,3 +13,4 @@ Model API reference. For introductory material, see :doc:`/topics/db/models`.
    instances
    querysets
    queries
+   custom_lookups