Updated docker pull manpage to reflect ability to specify URL of registry.

Also fixed a typo in same file.

Docker-DCO-1.1-Signed-off-by: Matthew Heon <mheon@redhat.com> (github: mheon)

contrib/man/md/docker-pull.1.md

@@ -5,17 +5,18 @@
 docker-pull - Pull an image or a repository from the registry
 
 # SYNOPSIS
-**docker pull** NAME[:TAG]
+**docker pull** [REGISTRY_PATH/]NAME[:TAG]
 
 # DESCRIPTION
 
 This command pulls down an image or a repository from the registry. If
 there is more than one image for a repository (e.g. fedora) then all
 images for that repository name are pulled down including any tags.
+It is also possible to specify a non-default registry to pull from.
 
-# EXAMPLE
+# EXAMPLES
 
-# Pull a reposiotry with multiple images
+# Pull a repository with multiple images
 
     $ sudo docker pull fedora
     Pulling repository fedora
@@ -31,6 +32,19 @@ images for that repository name are pulled down including any tags.
     fedora       heisenbug   105182bb5e8b    5 days ago   372.7 MB
     fedora       latest      105182bb5e8b    5 days ago   372.7 MB
 
+# Pull an image, manually specifying path to the registry and tag
+
+    $ sudo docker pull registry.hub.docker.com/fedora:20
+    Pulling repository fedora
+    3f2fed40e4b0: Download complete 
+    511136ea3c5a: Download complete 
+    fd241224e9cf: Download complete 
+
+    $ sudo docker images
+    REPOSITORY   TAG         IMAGE ID        CREATED      VIRTUAL SIZE
+    fedora       20          3f2fed40e4b0    4 days ago   372.7 MB
+
+
 # HISTORY
 April 2014, Originally compiled by William Henry (whenry at redhat dot com)
 based on docker.io source material and internal work.