diff --git a/contrib/README.md b/contrib/README.md
index c0c489c..7b1d2cc 100644
--- a/contrib/README.md
+++ b/contrib/README.md
@@ -6,4 +6,5 @@ If your contribution pleases reviewers enough, it will eventually be added to th
 
 ## Rules
 1. Contributions should only contain the source code, and should NOT contain build files, or folders like *android/*. For example, if you're editing the Flutter release, only submit the content in the *lib/* folder, where all text-based source code for the app is stored.
-2. Contributions should NOT contain any errors. To test any errors in your source code, try compiling your app. In the AI2 version, any errors would be either runtime errors, bugs that cause the app to freeze or unexpectedly stop, or duplicate event blocks. In the Flutter version, any errors would either be syntax errors, bugs that cause the app to freeze or unexpectedly stop, or runtime errors.
+2. 
+3. Contributions should NOT contain any errors. To test any errors in your source code, try compiling your app. In the AI2 version, any errors would be either runtime errors, bugs that cause the app to freeze or unexpectedly stop, or duplicate event blocks. In the Flutter version, any errors would either be syntax errors, bugs that cause the app to freeze or unexpectedly stop, or runtime errors.