diff --git a/src/API.hpp b/src/API.hpp
index 20e9e41..4910bb0 100644
--- a/src/API.hpp
+++ b/src/API.hpp
@@ -21,7 +21,7 @@ namespace fw
     {
     public:
         /**
-         * @brief Construct a new API object
+         * @brief Construct a new API object,
          * assign ip and port to generate endpoint list,
          * setup authentication,
          * create WebServer,
@@ -131,8 +131,9 @@ namespace fw
          * @brief PUT handler to update firewall rule
          */
         void put_firewall_handler();
+
         /**
-         * @brief handling not found
+         * @brief DELETE handler to delete firewall rule
          */
         void delete_firewall_handler();