diff --git a/src/config/cache.config.ts b/src/config/cache.config.ts
index f70f98c..c2134ea 100755
--- a/src/config/cache.config.ts
+++ b/src/config/cache.config.ts
@@ -11,12 +11,12 @@ export function cacheConfig(): CacheModuleAsyncOptions {
     useFactory: async (configService: ConfigService) => {
       const redisUri = configService.get('REDIS_URI');
       const namespace = configService.get('CACHE_NAMESPACE', 'app-cache');
-      const ttl = configService.get<number>('CACHE_TTL', 3600);
+      const ttl = +configService.get<number>('CACHE_TTL', 3600); //1 hour
 
       return {
         stores: [
           new Keyv({
-            store: new CacheableMemory({ ttl: ttl*1000, lruSize: 5000 }),
+            store: new CacheableMemory({ ttl: ttl * 1000, lruSize: 5000 }),
             namespace: namespace
           }),
           new KeyvRedis(redisUri, { namespace: namespace }),