face: Minor updates of TCP faces

Change-Id: I9a11fb4b2cd1aaaa670313cab0b08f097554e1fc
diff --git a/daemon/face/tcp-factory.hpp b/daemon/face/tcp-factory.hpp
index 1886f24..6ba2e37 100644
--- a/daemon/face/tcp-factory.hpp
+++ b/daemon/face/tcp-factory.hpp
@@ -54,7 +54,7 @@
    *
    * Note that this call will **BLOCK** until resolution is done or failed.
    *
-   * \throws TcpFactory::Error
+   * \throws TcpFactory::Error or std::runtime_error
    */
   shared_ptr<TcpChannel>
   createChannel(const std::string& localHost, const std::string& localPort);