diff --git a/firefox.yml b/firefox.yml
index 8b4b653..7f1d600 100644
--- a/firefox.yml
+++ b/firefox.yml
@@ -42,9 +42,9 @@
             "Extensions": {
               "Install": [
                  "https://addons.mozilla.org/firefox/downloads/latest/adblocker-ultimate/latest.xpi",
-	               "https://addons.mozilla.org/firefox/downloads/latest/video-downloadhelper/latest.xpi",
-	               "https://addons.mozilla.org/firefox/downloads/latest/nextcloud-passwords/latest.xpi",
-	               "https://addons.mozilla.org/firefox/downloads/latest/smart-amazon-smile/latest.xpi"
+                 "https://addons.mozilla.org/firefox/downloads/latest/video-downloadhelper/latest.xpi",
+                 "https://addons.mozilla.org/firefox/downloads/latest/nextcloud-passwords/latest.xpi",
+                 "https://addons.mozilla.org/firefox/downloads/latest/smart-amazon-smile/latest.xpi"
               ]
             },
             "Homepage": {