diff --git a/History.markdown b/History.markdown
index 1ccfd93f..2d57ad7b 100644
--- a/History.markdown
+++ b/History.markdown
@@ -78,6 +78,7 @@
   * Proof the site with CircleCI. (#3427)
   * Update LICENSE to 2015. (#3477)
   * Upgrade tests to use Minitest (#3492)
+  * Remove trailing whitespace (#3497)
 
 ### Site Enhancements