diff --git a/README.md b/README.md
index bb3e2e5..3fd392e 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ A utility to copy changesets from one gerrit instance to another
 
 ## usage
 
-    gerritcp -d [dir] -c [config.yaml]
+    gerritcp -dir [dir] -config [config.yaml]
 
 dir specified a directory to keep the git repo in (because it's usually too
 large to keep in RAM), config.yaml points to the configuration for upstream,