diff --git a/src/python/oftest/help_formatter.py b/src/python/oftest/help_formatter.py
index 0e0a7c9..bd6feb1 100644
--- a/src/python/oftest/help_formatter.py
+++ b/src/python/oftest/help_formatter.py
@@ -7,4 +7,4 @@
             indent = " "*self.current_indent
             return indent + description
         else:
-            return none
+            return None