diff --git a/src/middleware/auth.middleware.js b/src/middleware/auth.middleware.js
index 783af80e..84a861ea 100644
--- a/src/middleware/auth.middleware.js
+++ b/src/middleware/auth.middleware.js
@@ -66,6 +66,10 @@ async function authenticateToken(req, res, next) {
 
 /**
  * Check if user has required role
+ *
+ * Role-based access control (RBAC) middleware
+ * Verifies that the authenticated user possesses at least one of the required roles
+ * before allowing access to protected routes
  */
 function requireRole(...roles) {
   return (req, res, next) => {