diff --git a/assets/Scripts/AppRoot/SaveSystem.ts b/assets/Scripts/AppRoot/SaveSystem.ts
index 78307a0..9a7eb31 100644
--- a/assets/Scripts/AppRoot/SaveSystem.ts
+++ b/assets/Scripts/AppRoot/SaveSystem.ts
@@ -2,7 +2,7 @@ import { sys } from "cc";
 import { UserData } from "../Game/Data/UserData";
 
 export class SaveSystem {
-    private userDataIdentifier = "user-data";
+    private userDataIdentifier = "user-dat";
     public save(userData: UserData): void {
         sys.localStorage.setItem(this.userDataIdentifier, JSON.stringify(userData));
     }
@@ -13,6 +13,7 @@ export class SaveSystem {
         if (!data) return new UserData();
 
         try {
+            // TODO: the data can be corrupted if we introduce a new field in UserData
             return <UserData>JSON.parse(data);
         } catch (error) {
             return new UserData();