diff --git a/History.markdown b/History.markdown
index 7d8ab59e..d3ff38ce 100644
--- a/History.markdown
+++ b/History.markdown
@@ -46,6 +46,7 @@
   * Ignore *all* directories and files that merit it on auto-generation (#2459)
   * Before copying file, explicitly remove the old one (#2535)
   * Merge file system categories with categories from YAML. (#2531)
+  * Deep merge front matter defaults (#2490)
 
 ### Development Fixes