Change title

Author: MaxwellBo

fullscreen-proxy.html

@@ -104,7 +104,8 @@
 
     if (!targetUrl) {
       showMessage(
-        '<h1>Missing or invalid URL</h1>' +
+        '<h1>Fullscreen proxy</h1>' +
+        '<p>This page allows you to view a website in fullscreen mode on limited or locked down devices.</p>' +
         '<p>Open this page with a <code>?url=</code> query parameter containing an <code>http://</code> or <code>https://</code> URL.</p>' +
         '<p>Example: <code>?url=https://example.com</code></p>'
       );