Docs: fix capitalization of "Docker"

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)

docs/sources/examples/hello_world.rst

@@ -9,11 +9,11 @@ Hello World
 
 .. _running_examples:
 
-Check your docker install
+Check your Docker install
 -------------------------
 
 This guide assumes you have a working installation of Docker. To check
-your docker install, run the following command:
+your Docker install, run the following command:
 
 .. code-block:: bash
 
@@ -22,7 +22,7 @@ your docker install, run the following command:
 
 If you get ``docker: command not found`` or something like
 ``/var/lib/docker/repositories: permission denied`` you may have an incomplete
-docker installation or insufficient privileges to access docker on your machine.
+Docker installation or insufficient privileges to access docker on your machine.
 
 Please refer to :ref:`installation_list` for installation instructions.
 

docs/sources/installation/ubuntulinux.rst

@@ -35,7 +35,7 @@ Dependencies
 
 **Linux kernel 3.8**
 
-Due to a bug in LXC, docker works best on the 3.8 kernel. Precise
+Due to a bug in LXC, Docker works best on the 3.8 kernel. Precise
 comes with a 3.2 kernel, so we need to upgrade it. The kernel you'll
 install when following these steps comes with AUFS built in. We also
 include the generic headers to enable packages that depend on them,
@@ -199,7 +199,7 @@ client commands.
   # this to take effect.
   sudo gpasswd -a ${USER} docker
 
-  # Restart the docker daemon.
+  # Restart the Docker daemon.
   sudo service docker restart
 
 

docs/sources/use/basics.rst

@@ -6,11 +6,11 @@
 First steps with Docker
 =======================
 
-Check your docker install
+Check your Docker install
 -------------------------
 
 This guide assumes you have a working installation of Docker. To check
-your docker install, run the following command:
+your Docker install, run the following command:
 
 .. code-block:: bash
 
@@ -19,7 +19,7 @@ your docker install, run the following command:
 
 If you get ``docker: command not found`` or something like
 ``/var/lib/docker/repositories: permission denied`` you may have an incomplete
-docker installation or insufficient privileges to access docker on your machine.
+docker installation or insufficient privileges to access Docker on your machine.
 
 Please refer to :ref:`installation_list` for installation instructions.