diff --git a/src/modules/pay-periods/services/pay-periods-query.service.ts b/src/modules/pay-periods/services/pay-periods-query.service.ts
index ba71102..8f52894 100644
--- a/src/modules/pay-periods/services/pay-periods-query.service.ts
+++ b/src/modules/pay-periods/services/pay-periods-query.service.ts
@@ -50,7 +50,7 @@ export class PayPeriodsQueryService {
 
     const whereEmployee = opts?.restrictEmployeeIds?.length ? { employee_id: { in: opts.restrictEmployeeIds } }: {};
 
-    // SHIFTS (filtrés par crew si besoin)
+    // SHIFTS (filtered by crew)
     const shifts = await this.prisma.shifts.findMany({
       where: {
         date: { gte: start, lte: end },
@@ -74,7 +74,7 @@ export class PayPeriodsQueryService {
       },
     });
 
-    // EXPENSES (filtrés par crew si besoin)
+    // EXPENSES (filtered by crew)
     const expenses = await this.prisma.expenses.findMany({
       where: {
         date: { gte: start, lte: end },
@@ -96,10 +96,9 @@ export class PayPeriodsQueryService {
       },
     });
 
-    // Agrégation
     const byEmployee = new Map<number, EmployeePeriodOverviewDto>();
 
-    // seed pour employés sans données
+    // seed for employee without data
     if (opts?.seedNames) {
       for (const [id, name] of opts.seedNames.entries()) {
         byEmployee.set(id, {
@@ -182,31 +181,30 @@ export class PayPeriodsQueryService {
 
 
   async getCrewOverview(year: number, periodNumber: number, userId: string, includeSubtree: boolean): Promise<PayPeriodOverviewDto> {
-  // 1) Trouver la période
+  // 1) Search for the period
   const period = await this.prisma.payPeriods.findFirst({ where: { year, period_number: periodNumber } });
   if (!period) throw new NotFoundException(`Pay period ${year}-${periodNumber} not found`);
 
-  // 2) Résoudre l'employé superviseur depuis l'utilisateur courant (Users.id -> Employees)
+  // 2) fetch supervisor
   const supervisor = await this.prisma.employees.findUnique({
     where: { user_id: userId },
     select: { id: true },
   });
   if (!supervisor) throw new ForbiddenException('No employee record linked to current user');
 
-  // 3) Récupérer la liste des employés du crew (directs ou sous-arbo complète)
+  // 3)fetchs crew memebrs
   const crew = await this.resolveCrew(supervisor.id, includeSubtree); // [{ id, first_name, last_name }]
   const crewIds = crew.map(c => c.id);
-  // seed names map for employés sans données
+  // seed names map for employee without data
   const seedNames = new Map<number, string>(crew.map(c => [c.id, `${c.first_name} ${c.last_name}`.trim()]));
 
-  // 4) Construire l’overview filtré par ce crew
+  // 4) overview build
   return this.buildOverview(period, { restrictEmployeeIds: crewIds, seedNames });
 }
 
 private async resolveCrew(supervisorId: number, includeSubtree: boolean): Promise<Array<{ id: number; first_name: string; last_name: string }>> {
   const result: Array<{ id: number; first_name: string; last_name: string }> = [];
 
-  // niveau 1 (directs)
   let frontier = await this.prisma.employees.findMany({
     where: { supervisor_id: supervisorId },
     select: { id: true, user: { select: { first_name: true, last_name: true } } },
@@ -215,7 +213,6 @@ private async resolveCrew(supervisorId: number, includeSubtree: boolean): Promis
 
   if (!includeSubtree) return result;
 
-  // BFS pour les niveaux suivants
   while (frontier.length) {
     const parentIds = frontier.map(e => e.id);
     const next = await this.prisma.employees.findMany({