diff --git a/manifest.json b/manifest.json
index afc1455..0920431 100644
--- a/manifest.json
+++ b/manifest.json
@@ -65,7 +65,7 @@
                 "choices": [
                   "visible_302",
                   "visible_301",
-                  "proxy",
+                  "proxy"
                 ],
                 "default": "visible_302"
             }