diff --git a/.github/label-commenter-config.yml b/.github/label-commenter-config.yml
index 0af07f2..a8f9025 100644
--- a/.github/label-commenter-config.yml
+++ b/.github/label-commenter-config.yml
@@ -63,6 +63,18 @@ labels:
           It is recommended to [join our Discord Server](https://helpch.at/discord) as you often receive faster response compared to the issue tracker here.
           Questions about PlaceholderAPI should be asked in our [Discussions](https://github.com/PlaceholderAPI/PlaceholderAPI/discussions).
         action: close
+      pull_request:
+        body: |-
+          Your Pull Request has been marked as invalid.
+          This means that it doesn't follow our [Contributing Guidelines](https://github.com/PlaceholderAPI/PlaceholderAPI/blob/master/.github/CONTRIBUTING.md).
+          
+          Here is a small summary of what you should know:
+          
+          - Pull requests for PlaceholderAPI should target the `develop` branch.
+          - Pull requests for the Wiki should target the `docs/wiki` branch.
+          
+          Don't hesitate to ask us any questions.
+        action: close
   - name: 'Target: Wiki'
     labeled:
       issue: