diff --git a/manifest.json b/manifest.json
index 5d3e0bc..3b0e76d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,8 +5,7 @@
   "description": "A Chrome extension to generate binaural beats.",
   "permissions": ["storage"],
   "action": {
-    "default_popup": "popup.html",
-    }
+    "default_popup": "popup.html"
   },
   "content_security_policy": {
     "extension_pages": "script-src 'self'; object-src 'self';"