diff --git a/README.md b/README.md
index 128b976..52b51e5 100644
--- a/README.md
+++ b/README.md
@@ -84,9 +84,10 @@
 * [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)
+* [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)
 * [squash fixup commits normal commits.](https://github.com/git-tips/tips#squash-fixup-commits-normal-commits)
-* [skip staging area during commit](https://github.com/git-tips/tips#skip-staging-area-during-commit)
+* [skip staging area during commit.](https://github.com/git-tips/tips#skip-staging-area-during-commit)
+* [List ignored files.](https://github.com/git-tips/tips#list-ignored-files)
 
 <!-- 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 -->
@@ -590,7 +591,7 @@ git name-rev --name-only <SHA-1>
 git clean -fd --dry-run
 ```
 
-## Marks your commit as a fix of a previous commit
+## Marks your commit as a fix of a previous commit.
 ```sh
 git commit --fixup <SHA-1>
 ```
@@ -600,10 +601,15 @@ git commit --fixup <SHA-1>
 git rebase -i --autosquash
 ```
 
-## skip staging area during commit
+## skip staging area during commit.
 ```sh
 git commit -am 'commit message'
 ```
 
+## List ignored files.
+```sh
+git check-ignore *
+```
+
 <!-- 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 9cced4a..d6eb28c 100644
--- a/tips.json
+++ b/tips.json
@@ -258,12 +258,15 @@
 	"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",
+	"title": "Marks your commit as a fix of a previous commit.",
 	"tip": "git commit --fixup <SHA-1>"
 }, {
 	"title": "squash fixup commits normal commits.",
 	"tip": "git rebase -i --autosquash"
 }, {
-	"title": "skip staging area during commit",
+	"title": "skip staging area during commit.",
 	"tip": "git commit -am 'commit message'"
+},{
+	"title": "List ignored files.",
+	"tip": "git check-ignore *"
 }]