Use ndn-cxx logging facility

refs: #3949

Change-Id: I5d0931c3576c88e0c2fa52bdd0a716946400e0bc
diff --git a/docs/manpages/nlsr.rst b/docs/manpages/nlsr.rst
index 3dd0927..c047bf2 100644
--- a/docs/manpages/nlsr.rst
+++ b/docs/manpages/nlsr.rst
@@ -12,16 +12,12 @@
 Description
 -----------
 
-``nlsr`` is a daemon that implements routing protocol in NDN to populates NDN's Routing
+``nlsr`` is a process that implements routing protocol in NDN to populate NDN's Routing
 Information Base.
 
 Options:
 --------
 
-
-``-d``
-  Run in daemon mode
-
 ``-f <FILE>``
   Specify configuration file name (default: ``./nlsr.conf``)
 
@@ -34,14 +30,8 @@
 Examples
 --------
 
-To run NLSR daemon and use a configuration file from the ``/path/to`` directory.
+To run NLSR and use a configuration file from the ``/path/to`` directory.
 
 ::
 
     nlsr -f /path/to/nlsr.conf
-
-To run NLSR as daemon, use the ``-d`` flag:
-
-::
-
-    nlsr -d