to say that type() is an automatically generated field of the required Type type, per the GraphQL spec.
Extend this text
"The GraphQL schema tells us how to interpret every field. Run the example introspection query and have a look at the JSON result."
to
"The GraphQL schema includes introspection fields and parameters including a Type type with a type() root-level field. Run the example introspection query and have a look at the JSON result."
Modify this page https://dgraph.io/tour/graphqlbasic/3/
to say that type() is an automatically generated field of the required Type type, per the GraphQL spec.
Extend this text
"The GraphQL schema tells us how to interpret every field. Run the example introspection query and have a look at the JSON result."
to
"The GraphQL schema includes introspection fields and parameters including a Type type with a type() root-level field. Run the example introspection query and have a look at the JSON result."
If possible, make "introspection fields and parameters' hyperlink to https://graphql-ruby.org/schema/introspection .