diff --git a/push-to-github.md b/push-to-github.md
index ff62b1eb..ac217472 100644
--- a/push-to-github.md
+++ b/push-to-github.md
@@ -21,7 +21,7 @@
 ```
 
 ```python
-!git commit -m"add chapter3"
+!git commit -m"add chapter4"
 ```
 
 ```python