diff --git a/app/views/pages/_editor_guide_text.html.erb b/app/views/pages/_editor_guide_text.html.erb
index 5a6bceb9c..0467863f5 100644
--- a/app/views/pages/_editor_guide_text.html.erb
+++ b/app/views/pages/_editor_guide_text.html.erb
@@ -50,6 +50,11 @@
     <h1>One '#' for a h1 header</h1>
     <h2>Two '#'s for a h2 header</h2>
     <h6>Six '#'s for a h6 header</h6>
+    <h3><strong>Author Notes/Comments</strong></h3>
+    <p>Add some hidden notes/comments to your article with this syntax:</p>
+    <pre>
+      &lt;!-- This won't show up in the conent! --&gt;
+    </pre>
     <h2 style="font-size:2.8em" id="liquidtags"><strong>🌊 Liquid Tags</strong></h2>
     <p>We support native
       <a href="https://shopify.github.io/liquid/" target="_blank" rel="noopener">Liquid tags</a> in our editor, but have created our own custom tags listed below: