diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 3019cf9cc149..ce787606bc4e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -85,6 +85,7 @@ In this scenario, it’s possible that you found a bug or enhancement that we ha
 	3. Lint - All code must pass lint checks before a merge of a pull request
 13. Please never force push when a PR review has already started (because this messes with the PR review history)
 14. Upon submission of a PR, please include a numbered list of explicit testing steps for each platform (Web, Desktop, iOS, and Android) to confirm the fix works as expected and there are no regressions.
+15. Please add a screenshot of the app running on each platform (Web, Desktop, iOS, Android, Mobile Web). If you are unable to build to iOS/OSX due to using a Windows machine, please let the reviewers know so they can double check that platform themselves. 
 
 #### Timeline expectations and asking for help along the way
 - If you have made a change to your pull request and are ready for another review, leave a comment that says "Updated" on the pull request  itself.