Fix several man page spelling errors

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)

contrib/man/md/Dockerfile.5.md

@@ -38,7 +38,7 @@ A Dockerfile is similar to a Makefile.
     
 **sudo docker build -t repository/tag .**
  -- specifies a repository and tag at which to save the new image if the build 
-    succeeds. The Docker daemon runs the steps one-by-one, commiting the result 
+    succeeds. The Docker daemon runs the steps one-by-one, committing the result 
     to a new image if necessary before finally outputting the ID of the new 
     image. The Docker daemon automatically cleans up the context it is given.
 

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

@@ -20,7 +20,7 @@ seconds since epoch, or date string.
 ## Listening for Docker events
 
 After running docker events a container 786d698004576 is started and stopped
-(The container name has been shortened in the ouput below):
+(The container name has been shortened in the output below):
 
     # docker events
     [2014-04-12 18:23:04 -0400 EDT] 786d69800457: (from whenry/testimage:latest) start
@@ -43,4 +43,4 @@ Again the output container IDs have been shortened for the purposes of this docu
 
 # HISTORY
 April 2014, Originally compiled by William Henry (whenry at redhat dot com)
-based on docker.io source material and internal work.
+based on docker.io source material and internal work.

contrib/man/md/docker.1.md

@@ -10,15 +10,15 @@ docker \- Docker image and container command line interface
 # DESCRIPTION
 **docker** has two distinct functions. It is used for starting the Docker
 daemon and to run the CLI (i.e., to command the daemon to manage images,
-containers etc.) So **docker** is both a server, as a deamon, and a client
+containers etc.) So **docker** is both a server, as a daemon, and a client
 to the daemon, through the CLI.
 
-To run the Docker deamon you do not specify any of the commands listed below but
+To run the Docker daemon you do not specify any of the commands listed below but
 must specify the **-d** option.  The other options listed below are for the
 daemon only.
 
 The Docker CLI has over 30 commands. The commands are listed below and each has
-its own man page which explain usage and arguements.
+its own man page which explain usage and arguments.
 
 To see the man page for a command run **man docker <command>**.