diff --git a/demos/index.html b/demos/index.html
index 1b22326a3..d97b89c51 100644
--- a/demos/index.html
+++ b/demos/index.html
@@ -181,7 +181,7 @@
       </td>
       <td>
         <div><a href="mirror/index.html">Mirrored Blockly</a></div>
-        <div>Two Blockly instances connected as master-slave.</div>
+        <div>Two Blockly instances connected as leader-follower.</div>
       </td>
     </tr>