Merge pull request aws-amplify#4205 from voltron2112/patch-2

docs(graphql): fix minor error in example

Author: arundna

src/pages/cli/graphql/authorization-rules.mdx

@@ -19,7 +19,7 @@ Amplify also allows you to restrict the allowed operations, combine multiple aut
 
 ``` graphql
 type Todo @model @auth(rules: [
-  { allow: public, operations: [read]}
+  { allow: public, operations: [read]},
   { allow: owner }
 ]) {
   content: String