Merge pull request moby#3161 from SvenDowideit/make-replace-docker-bi…

…nary-note-more-obvious

associate swapping the built docker binary with building the binary, rather than a note in building the docs

docs/sources/contributing/devenvironment.rst

@@ -44,7 +44,8 @@ This following command will build a development environment using the Dockerfile
 
     sudo make build
 
-If the build is successful, congratulations! You have produced a clean build of docker, neatly encapsulated in a standard build environment. 
+If the build is successful, congratulations! You have produced a clean build of 
+docker, neatly encapsulated in a standard build environment. 
 
 
 Step 4: Build the Docker Binary
@@ -58,6 +59,19 @@ To create the Docker binary, run this command:
 
 This will create the Docker binary in ``./bundles/<version>-dev/binary/``
 
+Using your built Docker binary
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The binary is available outside the container in the directory 
+``./bundles/<version>-dev/binary/``. You can swap your host docker executable 
+with this binary for live testing - for example, on ubuntu: 
+
+.. code-block:: bash
+
+	sudo service docker stop ; sudo cp $(which docker) $(which docker)_ ; sudo cp ./bundles/<version>-dev/binary/docker-<version>-dev $(which docker);sudo service docker start
+	
+.. note:: Its safer to run the tests below before swapping your hosts docker binary.
+
 
 Step 5: Run the Tests
 ---------------------
@@ -134,9 +148,6 @@ to it, you can build the documentation and then serve it by:
 	# type Ctrl-C to exit
 
 
-.. note:: The binary is available outside the container in the directory  ``./bundles/<version>-dev/binary/``. You can swap your host docker executable with this binary for live testing - for example, on ubuntu: ``sudo service docker stop ; sudo cp $(which docker) $(which docker)_ ; sudo cp ./bundles/<version>-dev/binary/docker-<version>-dev $(which docker);sudo service docker start``.
-
-
 **Need More Help?**
 
 If you need more help then hop on to the `#docker-dev IRC channel <irc://chat.freenode.net#docker-dev>`_ or post a message on the `Docker developer mailinglist <https://groups.google.com/d/forum/docker-dev>`_.