diff --git a/docs/IMPLEMENTATION_PLAN.md b/docs/IMPLEMENTATION_PLAN.md
index 5b1c6c4..cd87554 100644
--- a/docs/IMPLEMENTATION_PLAN.md
+++ b/docs/IMPLEMENTATION_PLAN.md
@@ -344,7 +344,7 @@ NavMenu.razor:
 | ✓ | E1 | Days | DayState Fluxor | 4 State-Dateien |
 | ✓ | E2 | Days | Days List Page | 1 Razor |
 | ✓ | E3 | Days | Day Details Page | 1 Razor |
-| ☐ | E4 | Days | PersonExpense Management | Components in DayDetails |
+| ✓ | E4 | Days | PersonExpense Management | Components in DayDetails |
 | ☐ | F1 | Dashboard | Dashboard Page | 1 Razor |
 | ☐ | F2 | Dashboard | Evaluation Components | 2 Shared Components |
 | ☐ | F3 | Navigation | NavMenu finalisieren | 1 Razor ändern |