diff --git a/contributing.md b/contributing.md
index 3164d0a..4ecd897 100644
--- a/contributing.md
+++ b/contributing.md
@@ -31,6 +31,8 @@ Example:
 
 - To add a new category, just make it following the rules for the other ones in the file. DO NOT change anything in the Table of Contents as it is auto-generated. After you make a new category, it will be automatically added in the contents later on.
 
+- DO NOT change the order of any apps. You can add your app to the bottom of the category but don't change the order like ordering alphabetically or anything.
+
 ## Adding something
 
 You'll need a [GitHub account](https://github.com/join)!
@@ -47,4 +49,4 @@ You'll need a [GitHub account](https://github.com/join)!
 
 Sometimes, a maintainer might ask you to edit your Pull Request before it is included. This is normally due to spelling errors or because your PR didn't match the guidelines stated here.
 
-[Here](https://github.com/RichardLitt/knowledge/blob/master/github/amending-a-commit-guide.md) is a write up on how to change a Pull Request and the different ways you can do that.
\ No newline at end of file
+[Here](https://github.com/RichardLitt/knowledge/blob/master/github/amending-a-commit-guide.md) is a write up on how to change a Pull Request and the different ways you can do that.