diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9036eee29..6dc8a52d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,5 @@
 name: CI
+# Runner benchmark variant: GitHub-hosted only. Not for merging.
 
 on:
   push: