Update REFERENCE.rst

chinyeungli · web-flow · commit 99d2f5a88645 · 2019-06-25T09:25:23.000+08:00
Add notes to address #410
diff --git a/REFERENCE.rst b/REFERENCE.rst
@@ -406,3 +406,6 @@ Options
         This option tells the tool to show all errors found.
         The default behavior will only show 'CRITICAL', 'ERROR', and 'WARNING'
 
+Special Notes
+=============
+When using the `column_filters` configuration, all the standard required columns (`about_resource` and `name`) and the user definied `required_columns` need to be included.
