correct filename again

httpdocs/toggle.js

@@ -1,7 +1,7 @@
 const devMode = true; // set to false when you want to go back to your normal site
 
 if(devMode && window.location.pathname !== '/under-construction.html'){
-    window.location.replace('under-dev.html');
+    window.location.replace('under-construction.html');
 } else if (!devMode && window.location.pathname === '/under-construction.html') {
     window.location.replace('index.html');
 }