diff --git a/server/graph/schema.graphqls b/server/graph/schema.graphqls
index 46a68a9..9ad1b4b 100644
--- a/server/graph/schema.graphqls
+++ b/server/graph/schema.graphqls
@@ -651,7 +651,7 @@ type Query {
   meta: Meta!
   session(params: SessionQueryInput): AuthResponse!
   profile: User!
-  is_registered(email: String): AuthResponse! # custom api
+  is_registered(email: String!): Response! # custom api
   validate_jwt_token(params: ValidateJWTTokenInput!): ValidateJWTTokenResponse!
   validate_session(params: ValidateSessionInput): ValidateSessionResponse!
   # admin only apis
diff --git a/server/graph/schema.resolvers.go b/server/graph/schema.resolvers.go
index 83c53b3..c115155 100644
--- a/server/graph/schema.resolvers.go
+++ b/server/graph/schema.resolvers.go
@@ -12,7 +12,7 @@ import (
 	"github.com/authorizerdev/authorizer/server/resolvers"
 )
 
-// Signup is the resolver for the signup field.
+// IsRegistered is the resolver for the signup field.
 func (r *queryResolver) IsRegistered(ctx context.Context, email string) (*model.Response, error) {
 	return resolvers.IsRegisteredResolver(ctx, email)
 }