diff --git a/demo.html b/demo.html
index 5febabe6d..0fbda216b 100644
--- a/demo.html
+++ b/demo.html
@@ -1329,7 +1329,7 @@
         stop() {},
       });
       cmdm.add('set-device-mobile', {
-        run: ed => ed.setDevice('Mobile'),
+        run: ed => ed.setDevice('Mobile portrait'),
         stop() {},
       });