Merge pull request #13713 from draghuram/manport

Fix examples in "docker port" man page.

docs/man/docker-port.1.md

@@ -17,22 +17,30 @@ List port mappings for the CONTAINER, or lookup the public-facing port that is N
   Print usage statement
 
 # EXAMPLES
-You can find out all the ports mapped by not specifying a `PRIVATE_PORT`, or
-ask for just a specific mapping:
 
-    $ docker ps test
+    # docker ps
     CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
     b650456536c7        busybox:latest      top                 54 minutes ago      Up 54 minutes       0.0.0.0:1234->9876/tcp, 0.0.0.0:4321->7890/tcp   test
-    $ docker port test
+
+## Find out all the ports mapped
+
+    # docker port test
     7890/tcp -> 0.0.0.0:4321
     9876/tcp -> 0.0.0.0:1234
-    $ docker port test 7890/tcp
+
+## Find out a specific mapping
+
+    # docker port test 7890/tcp
     0.0.0.0:4321
-    $ docker port test 7890/udp
-    2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
-    $ docker port test 7890
+
+    # docker port test 7890
     0.0.0.0:4321
 
+## An example showing error for non-existent mapping
+
+    # docker port test 7890/udp
+    2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
+
 # HISTORY
 April 2014, Originally compiled by William Henry (whenry at redhat dot com)
 June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>