diff --git a/src/pyff/mdx.py b/src/pyff/mdx.py
index 2d00bbcd..e0c8dbf6 100644
--- a/src/pyff/mdx.py
+++ b/src/pyff/mdx.py
@@ -5,7 +5,7 @@
 
     Usage: pyffd <options> {pipeline-files}+
 
-    -C|--no-cache
+    -C|--no-caching
             Turn off caching
     -p <pidfile>
             Write a pidfile at the specified location