--fixup tip

Author: hemanth

README.md

@@ -84,6 +84,7 @@
 * [Auto correct typos.](https://github.com/git-tips/tips#auto-correct-typos)
 * [Check if the change was a part of a release.](https://github.com/git-tips/tips#check-if-the-change-was-a-part-of-a-release)
 * [Dry run. (any command that supports dry-run flag should do.)](https://github.com/git-tips/tips#dry-run-any-command-that-supports-dry-run-flag-should-do)
+* [Marks your commit as a fix of a previous commit](https://github.com/git-tips/tips#marks-your-commit-as-a-fix-of-a-previous-commit)
 
 <!-- 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 -->
@@ -587,5 +588,10 @@ git name-rev --name-only <SHA-1>
 git clean -fd --dry-run
 ```
 
+## Marks your commit as a fix of a previous commit
+```sh
+git commit --fixup <SHA-1>
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->

tips.json

@@ -257,4 +257,7 @@
 }, {
 	"title": "Dry run. (any command that supports dry-run flag should do.)",
 	"tip": "git clean -fd --dry-run"
+}, {
+	"title": "Marks your commit as a fix of a previous commit",
+	"tip": "git commit --fixup <SHA-1>"
 }]