diff --git a/History.txt b/History.txt
index d199fea4..adb70078 100644
--- a/History.txt
+++ b/History.txt
@@ -2,6 +2,7 @@
   * Major Enhancements
     * Refactored jekyll commands into subcommands: build, serve, and migrate. (#690)
   * Minor Enhancements
+    * Massively accelerate LSI performance (#664)
     * Truncate post slugs when importing from Tumblr (#496)
     * Add glob support to include, exclude option (#743)
     * Layout of Page or Post defaults to 'page' or 'post', respectively (#580)