diff --git a/History.markdown b/History.markdown
index a27dceb0..44c8c4ff 100644
--- a/History.markdown
+++ b/History.markdown
@@ -8,6 +8,7 @@
   * Docs: Style lists in tables (#6379)
   * Docs: remove duplicate "available" (#6380)
   * Docs: GitHub Pages instructions (#6384)
+  * Improve documentation for theme-gem installation (#6387)
 
 ### Development Fixes