diff --git a/plugins/filter/jc.py b/plugins/filter/jc.py
index 879647a04d..6708f573d3 100644
--- a/plugins/filter/jc.py
+++ b/plugins/filter/jc.py
@@ -26,6 +26,7 @@ DOCUMENTATION = '''
       description:
         - The correct parser for the input data.
         - For example C(ifconfig).
+        - "Note: use underscores instead of dashes (if any) in the parser module name."
         - See U(https://github.com/kellyjonbrazil/jc#parsers) for the latest list of parsers.
       type: string
       required: true