diff --git a/index.html b/index.html
index f4365391..a93d2726 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <html>
+    <!-- MEMO: update me with `git checkout gh-pages && git merge master && git push origin gh-pages` -->
     <head>
         <meta charset="utf-8">
         <title>Bootstrap Material</title>
