Improve error message

Author: rmosolgo

lib/graphql/schema/validator/required_validator.rb

@@ -66,7 +66,7 @@ def validate(_object, context, value)
                 raise GraphQL::Error, <<~ERR
                   #{@validated.path} validates `required: ...` but all required arguments were hidden.
 
-                  Update your schema definition to allow the client to see some fields or add `required: { ..., allow_all_hidden: true }`
+                  Update your schema definition to allow the client to see some fields or skip validation by adding `required: { ..., allow_all_hidden: true }`
                 ERR
               end
             end

spec/graphql/schema/validator/required_validator_spec.rb

@@ -153,7 +153,7 @@ class Query < GraphQL::Schema::Object
         RequiredHiddenSchema.execute("{ twoArgumentsError }")
       end
 
-      expected_message = "Query.twoArgumentsError validates `required: ...` but all required arguments were hidden.\n\nUpdate your schema definition to allow the client to see some fields or add `required: { ..., allow_all_hidden: true }`\n"
+      expected_message = "Query.twoArgumentsError validates `required: ...` but all required arguments were hidden.\n\nUpdate your schema definition to allow the client to see some fields or skip validation by adding `required: { ..., allow_all_hidden: true }`\n"
       assert_equal expected_message, err.message
 
       result = RequiredHiddenSchema.execute("{ oneArgument }")