diff --git a/questiongeneration/routes/question.js b/questiongeneration/routes/question.js
index fce26d49..5f019e94 100644
--- a/questiongeneration/routes/question.js
+++ b/questiongeneration/routes/question.js
@@ -1,8 +1,8 @@
 const express = require('express');
 const router = express.Router();
-const dbService = require('../mongodatabase/question-data-service');
+const dbService = require('../services/question-data-service');
 const { getRandomCity, getCityPopulation, getPopulationFromRandomCity, shuffleArray } = require('../utils/cityPopulation');
-const { db } = require('../mongodatabase/question-data-model');
+const { db } = require('../services/question-data-model');
 
 // Manejo de la ruta '/question'
 router.get('/', async (_req, res) => {
diff --git a/questiongeneration/mongodatabase/question-data-model.js b/questiongeneration/services/question-data-model.js
similarity index 94%
rename from questiongeneration/mongodatabase/question-data-model.js
rename to questiongeneration/services/question-data-model.js
index f9894ecf..ebc210d3 100644
--- a/questiongeneration/mongodatabase/question-data-model.js
+++ b/questiongeneration/services/question-data-model.js
@@ -5,7 +5,7 @@ const questionSchema = new mongoose.Schema({
     question: String,
     options: [String],
     correctAnswer: String,
-    category: String
+    categories: [String]
 });
 
 //Auto generated id
diff --git a/questiongeneration/mongodatabase/question-data-service.js b/questiongeneration/services/question-data-service.js
similarity index 100%
rename from questiongeneration/mongodatabase/question-data-service.js
rename to questiongeneration/services/question-data-service.js