diff --git a/readme.md b/readme.md
index 945ff62..8ce163a 100644
--- a/readme.md
+++ b/readme.md
@@ -28,7 +28,7 @@ macOS version will be upload later
 
 3. Delete original zimrc and zimfw file, copy or link file in this repo
 
-4. After replacing original file, run `zimfw updatesour`
+4. After replacing original file, run `zimfw install`
 
 ## Others