diff --git a/src/ORM/client-statistics/client-statistics.entity.ts b/src/ORM/client-statistics/client-statistics.entity.ts
index dc7f915..73e302e 100644
--- a/src/ORM/client-statistics/client-statistics.entity.ts
+++ b/src/ORM/client-statistics/client-statistics.entity.ts
@@ -3,6 +3,7 @@ import { Column, Entity, Index, PrimaryColumn } from 'typeorm';
 import { TrackedEntity } from '../utils/TrackedEntity.entity';
 
 @Entity()
+//Index for the heartbeat update
 @Index(["address", "clientName", "sessionId", "time"])
 export class ClientStatisticsEntity extends TrackedEntity {