diff --git a/README.md b/README.md
index 4876efc..d34ee90 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@
 * [View the GPG signatures in the commit log](https://github.com/git-tips/tips#view-the-gpg-signatures-in-the-commit-log)
 * [Remove entry in the global config.](https://github.com/git-tips/tips#remove-entry-in-the-global-config)
 * [Checkout a new branch without any history](https://github.com/git-tips/tips#checkout-a-new-branch-without-any-history)
+* [File diff between staging and the last file version.](https://github.com/git-tips/tips#file-diff-between-staging-and-the-last-file-version)
 
 <!-- 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 -->
@@ -671,5 +672,10 @@ git config --global --unset <entry-name>
 git checkout --orphan <branch_name>
 ```
 
+## File diff between staging and the last file version.
+```sh
+git diff --staged
+```
+
 <!-- 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 f0959cf..c34b4f1 100644
--- a/tips.json
+++ b/tips.json
@@ -299,4 +299,7 @@
 },{
     "title": "Checkout a new branch without any history",
     "tip": "git checkout --orphan <branch_name>"
+},{
+   "title": "File diff between staging and the last file version.",
+   "tip": "git diff --staged"
 }]