face: minor code cleanups

Change-Id: I154d2ad4dfd9e12e1fa9756f74884286b31298e4
diff --git a/daemon/face/ethernet-transport.hpp b/daemon/face/ethernet-transport.hpp
index 8fa7a6a..a1d3c80 100644
--- a/daemon/face/ethernet-transport.hpp
+++ b/daemon/face/ethernet-transport.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2022,  Regents of the University of California,
+ * Copyright (c) 2014-2023,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -36,7 +36,7 @@
 namespace nfd::face {
 
 /**
- * @brief Base class for Ethernet-based Transports
+ * @brief Base class for Ethernet-based Transports.
  */
 class EthernetTransport : public Transport
 {
@@ -48,7 +48,7 @@
   };
 
   /**
-   * @brief Processes the payload of an incoming frame
+   * @brief Processes the payload of an incoming frame.
    * @param payload Payload bytes, starting from the first byte after the Ethernet header
    * @param sender Sender address
    */
@@ -82,7 +82,7 @@
   doSend(const Block& packet) final;
 
   /**
-   * @brief Sends the specified TLV block on the network wrapped in an Ethernet frame
+   * @brief Sends the specified TLV block on the network wrapped in an Ethernet frame.
    */
   void
   sendPacket(const ndn::Block& block);