typo

README.md

@@ -57,7 +57,7 @@ func main() {
 	fmt.Printf("%s \n", rJSON) // {“data”:{“hello”:”world”}}
 }
 ```
-For more complex examples, refer to the [examples/](https://github.com/graphql-go/graphql/tree/master/examples/) directory and [graphql_test.go])(https://github.com/graphql-go/graphql/blob/master/graphql_test.go)_.
+For more complex examples, refer to the [examples/](https://github.com/graphql-go/graphql/tree/master/examples/) directory and [graphql_test.go](https://github.com/graphql-go/graphql/blob/master/graphql_test.go).
 
 ### Origin and Current Direction