diff --git a/tests/unit/util/io.t.cpp b/tests/unit/util/io.t.cpp
index 270270c..9fcafd7 100644
--- a/tests/unit/util/io.t.cpp
+++ b/tests/unit/util/io.t.cpp
@@ -114,7 +114,7 @@
   }
 
   /**
-   * \brief create a directory at `filepath`, so that it's neither readable nor writable as a file
+   * \brief Create a directory at `filepath`, so that it's neither readable nor writable as a file.
    */
   void
   mkdir() const
diff --git a/tests/unit/util/notification-subscriber.t.cpp b/tests/unit/util/notification-subscriber.t.cpp
index 3936e9e..896f632 100644
--- a/tests/unit/util/notification-subscriber.t.cpp
+++ b/tests/unit/util/notification-subscriber.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2021 Regents of the University of California,
+ * Copyright (c) 2014-2022 Regents of the University of California,
  *                         Arizona Board of Regents,
  *                         Colorado State University,
  *                         University Pierre & Marie Curie, Sorbonne University,
@@ -49,7 +49,7 @@
   {
   }
 
-  /** \brief deliver one notification to subscriber
+  /** \brief Deliver one notification to subscriber.
    */
   void
   deliverNotification(const std::string& msg)
@@ -69,7 +69,7 @@
     subscriberFace.receive(data);
   }
 
-  /** \brief deliver a Nack to subscriber
+  /** \brief Deliver a Nack to subscriber.
    */
   void
   deliverNack(const Interest& interest, const lp::NackReason& reason)