docs: Prepare release notes for version 0.3.0

Change-Id: If0ae14cbf97ee3d9b92a3467d0b6592c10e66698
Refs: #2462, #2352, #2209
diff --git a/daemon/face/websocket-factory.hpp b/daemon/face/websocket-factory.hpp
index eec0e60..75ff009 100644
--- a/daemon/face/websocket-factory.hpp
+++ b/daemon/face/websocket-factory.hpp
@@ -1,12 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California,
- *                      Arizona Board of Regents,
- *                      Colorado State University,
- *                      University Pierre & Marie Curie, Sorbonne University,
- *                      Washington University in St. Louis,
- *                      Beijing Institute of Technology,
- *                      The University of Memphis
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
diff --git a/daemon/table/strategy-info-host.hpp b/daemon/table/strategy-info-host.hpp
index 1f6d940..84c0c63 100644
--- a/daemon/table/strategy-info-host.hpp
+++ b/daemon/table/strategy-info-host.hpp
@@ -53,7 +53,7 @@
   /** \brief get or create a StrategyInfo item
    *  \tparam T type of StrategyInfo, must be a subclass of from nfd::fw::StrategyInfo
    *
-   *  If no StrategyInfo of type T is stored, it's created with \p{args};
+   *  If no StrategyInfo of type T is stored, it's created with \p args;
    *  otherwise, the existing item is returned.
    */
   template<typename T, typename ...A>