Update button_based_validation.rst

afurculita · xabbuh · commit c4fc122c5493 · 2017-09-01T21:53:37.000+02:00
diff --git a/form/button_based_validation.rst b/form/button_based_validation.rst
@@ -39,4 +39,4 @@ large or whether you tried to submit text in a number field.
 .. seealso::
 
     To see how to use a service to resolve ``validation_groups`` dynamically
-    read the :doc:`/validation/group_service_resolver` article.
+    read the :doc:`/form/validation_group_service_resolver` article.
