diff --git a/docs/en/misc/contributing/index.md b/docs/en/misc/contributing/index.md
index 19999fbbb..7c7a84af9 100644
--- a/docs/en/misc/contributing/index.md
+++ b/docs/en/misc/contributing/index.md
@@ -32,6 +32,7 @@ With great power comes great responsibility, so we have agreed on certain expect
  * Only merge code you have tested and fully understand. If in doubt, ask for a second opinion.
  * Ensure contributions have appropriate [test coverage](/topics/testing), are documented, and pass our [coding conventions](/misc/coding-conventions)
  * Keep the codebase "releasable" at all times (check our [release process](/misc/release-process))
- * API changes and non-trivial features should not be merged into release branches
+ * API changes and non-trivial features should not be merged into release branches. 
+ * API changes on master should not be merged until they have the buy-in of at least two core committers (or better, through the [core mailinglist](https://groups.google.com/forum/#!forum/silverstripe-dev))
  * Avoid `git push --force`, and be careful with your git remotes (no accidental pushes)
  * Use your own forks to create feature branches
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