diff --git a/README.md b/README.md
index 23f936d..757ef31 100644
--- a/README.md
+++ b/README.md
@@ -334,7 +334,7 @@ git tag -d <tag-name>
 git push origin :refs/tags/<tag-name>
 ```
 
-## Undo local changes with the last content in head
+## Undo local changes with the content in index(staging)
 ```sh
 git checkout -- <file_name>
 ```
diff --git a/tips.json b/tips.json
index 5c38a63..d53d1ae 100644
--- a/tips.json
+++ b/tips.json
@@ -75,7 +75,7 @@
 		"title": "Delete remote tag",
 		"tip": "git push origin :refs/tags/<tag-name>"
 	}, {
-		"title": "Undo local changes with the last content in head",
+		"title": "Undo local changes with the content in index(staging)",
 		"tip": "git checkout -- <file_name>"
 	}, {
 		"title": "Revert: Undo a commit by creating a new commit",