diff --git a/package.json b/package.json
index f67f483..adf34da 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   },
   "keywords": [
     "Koa",
-    "Middleware"
+    "Middleware",
     "Cookie",
     "cca",
     "lightweight"