docs: fix syntax highlighting of code blocks

And various other cleanups

Change-Id: I240badc5358c09f006c2a22d4706ce373f2dd188
diff --git a/docs/manpages/ndn-autoconfig-server.rst b/docs/manpages/ndn-autoconfig-server.rst
index d5b14d7..369252e 100644
--- a/docs/manpages/ndn-autoconfig-server.rst
+++ b/docs/manpages/ndn-autoconfig-server.rst
@@ -3,12 +3,10 @@
 ndn-autoconfig-server
 =====================
 
-Usage
------
+Synopsis
+--------
 
-::
-
-    ndn-autoconfig-server [-h] [-p <PREFIX>] [-p <PREFIX>] ... <FACEURI>
+**ndn-autoconfig-server** [**-h**] [**-V**] [**-p** *PREFIX*]... *FACEURI*
 
 Description
 -----------