diff --git a/demos/mirror/index.html b/demos/mirror/index.html
index b14f50c35..0098e92df 100644
--- a/demos/mirror/index.html
+++ b/demos/mirror/index.html
@@ -56,7 +56,7 @@
         {media: '../../media/',
          toolbox: document.getElementById('toolbox')});
     // Inject secondary workspace.
-    var seconaryWorkspace = Blockly.inject('secondaryDiv',
+    var secondaryWorkspace = Blockly.inject('secondaryDiv',
         {media: '../../media/',
          readOnly: true});
     // Listen to events on primary workspace.
@@ -70,7 +70,7 @@
       var json = primaryEvent.toJson();
       console.log(json);
       // Convert JSON back into an event, then execute it.
-      var secondaryEvent = Blockly.Events.fromJson(json, seconaryWorkspace);
+      var secondaryEvent = Blockly.Events.fromJson(json, secondaryWorkspace);
       secondaryEvent.run(true);
     }
 </script>