diff --git a/server.js b/server.js
index 4913df0..095f835 100644
--- a/server.js
+++ b/server.js
@@ -12,7 +12,7 @@ app.get('/api', (req, res) => {
   // Imagine different client side components
   // requesting different pieces of data
   let querys = [
-    "{ user { name }, books { author } }"
+    "{ user { name }, books { author } }",
     "{ books { id, title } }",
     "{ books { id, title, author } }"
   ]