diff --git a/docs/demo/index.html b/docs/demo/index.html
index 1fc2610bdb..efe4206647 100644
--- a/docs/demo/index.html
+++ b/docs/demo/index.html
@@ -28,7 +28,7 @@ <h1>Marked Demo</h1>
             <option value="commit">Add Commit:</option>
             <option value="master" selected>master</option>
           </select>
-          <input type="text" id="commitVersion" title="Add commit version" />·
+          <input type="text" id="commitVersion" title="Press ENTER to add commit" />·
           <button id="clear">Clear</button>
           <select id="inputType">
             <option value="markdown">Markdown</option>