diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c3d44a4..daa318a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,3 @@
 # Contributing to Slate
 
-Thanks for contributing to Slate! Please point your pull requests at the `dev` branch, and keep your commit messages clear and informative. Thanks!
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+Thanks for contributing to Slate! Please point your pull requests at the `dev` branch, and keep your commit messages clear and informative. Also, please make sure your contributions work in the most recent version of Chrome, Firefox, and IE. Thanks!
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