diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 929bcb4..7b79e10 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -13,6 +13,7 @@ When doing a PR to v2 remember that you also have to do the PR port to v3, or te
 2. Use the title as a brief description of the changes
 3. Describe the changes you are proposing
     1. If adding an extra validation state the benefits of adding it and the problem is solving
+    2. Document in the readme, by adding it to the list
 4. Provide appropiate tests for the code you are submitting: aim to keep the existing coverage percentage.
 5. Add your Twitter handle (if you have) so we can thank you there.
 
@@ -149,4 +150,4 @@ at [https://www.contributor-covenant.org/translations][translations].
 [v2.0]: https://www.contributor-covenant.org/version/2/0/code_of_conduct.html
 [Mozilla CoC]: https://github.com/mozilla/diversity
 [FAQ]: https://www.contributor-covenant.org/faq
-[translations]: https://www.contributor-covenant.org/translations
\ No newline at end of file
+[translations]: https://www.contributor-covenant.org/translations