diff --git a/manifest.json b/manifest.json
index 74c83b2..2500de2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,7 +8,7 @@
   "allowCustomFields": true,
   "permissions": {
     "access_client_kv": {
-      "description": "",
+      "description": "Stores UUIDs as cookies.",
       "required": true
     }
   }