diff --git a/src/vector/mobile_guide/index.js b/src/vector/mobile_guide/index.js
index 28e747049..d6dd2f7e3 100644
--- a/src/vector/mobile_guide/index.js
+++ b/src/vector/mobile_guide/index.js
@@ -93,7 +93,7 @@ async function initPage() {
 
     if (hsUrl !== 'https://matrix.org/') {
         document.getElementById('configure_riot_button').href =
-            "https://riot.im/config/config?hs_url=" + encodeURIComponent(hsUrl)  +
+            "https://riot.im/config/config?hs_url=" + encodeURIComponent(hsUrl) +
             "&is_url=" + encodeURIComponent(isUrl);
         document.getElementById('step2_container').style.display = 'block';
         document.getElementById('hs_url').innerText = hsUrl;