diff --git a/README.md b/README.md
index 4b6f118..8281097 100644
--- a/README.md
+++ b/README.md
@@ -147,6 +147,7 @@ P.S: All these commands are tested on `git version 2.7.4 (Apple Git-66)`.
 * [List unpushed git commits](#list-unpushed-git-commits)
 * [Add everything, but whitespace changes](#add-everything-but-whitespace-changes)
 * [Edit [local/global] git config](#edit-localglobal-git-config)
+* [blame on certain range](#blame-on-certain-range)
 
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end toc -->
@@ -1008,5 +1009,10 @@ git diff --ignore-all-space | git apply --cached
 git config [--global] --edit
 ```
 
+## blame on certain range
+```sh
+git blame -L <start>,<end>
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->
diff --git a/tips.json b/tips.json
index e508888..dd299d3 100644
--- a/tips.json
+++ b/tips.json
@@ -431,4 +431,7 @@
 }, {
     "title": "Edit [local/global] git config",
     "tip": "git config [--global] --edit"
+}, {
+    "title": "blame on certain range",
+    "tip": "git blame -L <start>,<end>"
 }]
\ No newline at end of file