diff --git a/History.markdown b/History.markdown
index 053e1ee52d2..f28c18e2332 100644
--- a/History.markdown
+++ b/History.markdown
@@ -28,6 +28,7 @@
   * Appease classifier-reborn (#5934)
   * Allow releases & development on *-stable branches (#5926)
   * Add script/backport-pr (#5925)
+  * Prefer .yaml over .toml (#5966)
 
 ### Site Enhancements