diff --git a/README.md b/README.md
index 5b1a0465928a25e4d8c53fdca26627b641171502..59821763ff59bea762a9b108e9264b7aabe9399f 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Change to source directory.
 $ cd absinth/src
 ```
 
-Run setup.py.
+Run setup.sh.
 
 ```
 $ bash setup.sh