Fix typos

Docker-DCO-1.1-Signed-off-by: Bryan Bess <squarejaw@bsbess.com> (github: squarejaw)

docs/sources/articles/runmetrics.md

@@ -365,7 +365,7 @@ container, we need to:
 Please review [*Enumerating Cgroups*](#enumerating-cgroups) to learn how to find
 the cgroup of a pprocess running in the container of which you want to
 measure network usage. From there, you can examine the pseudo-file named
-`tasks`, which containes the PIDs that are in the
+`tasks`, which contains the PIDs that are in the
 control group (i.e. in the container). Pick any one of them.
 
 Putting everything together, if the "short ID" of a container is held in

docs/sources/reference/api/docker_remote_api.md

@@ -100,7 +100,7 @@ after timestamp.
 
 `GET /containers/(id)/logs`
 
-This url is prefered method for getting container logs now.
+This url is preferred method for getting container logs now.
 
 ## v1.10
 
@@ -284,7 +284,7 @@ output is now generated in the client, using the
 
 **New!**
 You can now split stderr from stdout. This is done by
-prefixing a header to each transmition. See
+prefixing a header to each transmission. See
 [`POST /containers/(id)/attach`](
 /reference/api/docker_remote_api_v1.9/#post--containers-(id)-attach "POST /containers/(id)/attach").
 The WebSocket attach is unchanged. Note that attach calls on the

docs/sources/reference/run.md

@@ -385,7 +385,7 @@ container running Redis:
     $ docker port 4241164edf6f 6379
     2014/01/25 00:55:38 Error: No public port '6379' published for 4241164edf6f
 
-Yet we can get information about the Redis container'sexposed ports
+Yet we can get information about the Redis container's exposed ports
 with `--link`. Choose an alias that will form a
 valid environment variable!