diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 32272fbda..a07c944ae 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -311,6 +311,7 @@ export class UserResolver {
     dbUser.lastName = lastName
     dbUser.username = username
 
+    // TDOO transaction
     await userRepository.save(dbUser).catch(() => {
       throw new Error('error saving user')
     })