diff --git a/docs/howto/custom-lookups.txt b/docs/howto/custom-lookups.txt
index 0fe678f9fe9..5c5621e28c6 100644
--- a/docs/howto/custom-lookups.txt
+++ b/docs/howto/custom-lookups.txt
@@ -280,7 +280,8 @@ We can change the behavior on a specific backend by creating a subclass of
           rhs, rhs_params = self.process_rhs(compiler, connection)
           params = lhs_params + rhs_params
           return '%s != %s' % (lhs, rhs), params
-  Field.register_lookup(MySQLNotExact)
+
+  Field.register_lookup(MySQLNotEqual)
 
 We can then register it with ``Field``. It takes the place of the original
 ``NotEqual`` class as it has the same ``lookup_name``.