diff --git a/types.ts b/types.ts
index faf6074..15f1a0c 100644
--- a/types.ts
+++ b/types.ts
@@ -11,6 +11,7 @@ export interface Condo {
   iban?: string;
   paypalClientId?: string; // PayPal Client ID for receiving payments
   defaultMonthlyQuota: number;
+  dueDay?: number; // Day of month (1-31) when payment is due. Default 10.
   image?: string; // Optional placeholder for logo
 }
 
@@ -96,9 +97,9 @@ export interface AppSettings {
 
 export enum PaymentStatus {
   PAID = 'PAID',
-  UNPAID = 'UNPAID', // Past due
+  UNPAID = 'UNPAID', // Past due (Overdue)
   UPCOMING = 'UPCOMING', // Future
-  PENDING = 'PENDING'
+  PENDING = 'PENDING' // Due soon (within 10 days window)
 }
 
 export interface MonthStatus {