From ce7c754c19d6ab8c0e5c3f24436f71e8a91f215e Mon Sep 17 00:00:00 2001
From: Artsem-Mardvinau <48288778+Artsem-Mardvinau@users.noreply.github.com>
Date: Wed, 27 Mar 2019 18:20:59 +0300
Subject: [PATCH] Update APIReference-TypeSystem.md

---
 site/graphql-js/APIReference-TypeSystem.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/site/graphql-js/APIReference-TypeSystem.md b/site/graphql-js/APIReference-TypeSystem.md
index 0a7ff72520..4515f4a66e 100644
--- a/site/graphql-js/APIReference-TypeSystem.md
+++ b/site/graphql-js/APIReference-TypeSystem.md
@@ -189,7 +189,7 @@ validator and executor.
 
 ```js
 var MyAppSchema = new GraphQLSchema({
-  query: MyAppQueryRootType
+  query: MyAppQueryRootType,
   mutation: MyAppMutationRootType
 });
 ```