diff --git a/README.md b/README.md
index 1a9e9443..7506d093 100644
--- a/README.md
+++ b/README.md
@@ -192,7 +192,7 @@ can be downloaded from /~https://github.com/ampas/aces_container
 
     to run the optional unit tests:
 
-        $ sudo make checkcd
+        $ sudo make check
 
 * Docker