diff --git a/History.markdown b/History.markdown
index efe3e721..770d9f81 100644
--- a/History.markdown
+++ b/History.markdown
@@ -80,6 +80,7 @@
   * Allow triggering `:post_convert` events atomically (#8465)
   * Explicitly return nil after site process phase (#8472)
   * Reduce allocations from computing item property (#8485)
+  * Optimize Page#dir with a private method (#8489)
 
 ### Minor Enhancements