diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 10f17a2fc..73174db65 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -16,6 +16,7 @@ Please do:
 Please avoid:
 
 * Opening pull requests for issues marked `needs-design`, `needs-investigation`, or `blocked`.
+* Opening pull requests that haven't been approved for work in an issue
 * Adding installation instructions specifically for your OS/package manager.
 * Opening pull requests for any issue marked `core`. These issues require additional context from
   the core CLI team at GitHub and any external pull requests will not be accepted.