diff --git a/History.markdown b/History.markdown
index 65dc2b69..44af7f05 100644
--- a/History.markdown
+++ b/History.markdown
@@ -96,6 +96,7 @@
   * Skip processing posts that can not be read (#7302)
   * Memoize Site#post_attr_hash (#7276)
   * Load config file from within current theme-gem (#7304)
+  * Memoize the return value of Site#documents (#7273)
 
 ### Major Enhancements