Documentation tweaks.

.travis.yml

@@ -20,7 +20,7 @@ script:
   # Run tests.
   - ${PWD}/tests/test.sh
 
-  # Test whether docker-py is installed at the specified version.
+  # Test whether packages are installed as specified.
   - docker exec --tty ${container_id} pip list installed | grep -e '^ipaddress.*1\.0\.18.*$'
   - docker exec --tty ${container_id} pip list installed | grep '^colorama'
 

README.md

@@ -18,12 +18,12 @@ A list of packages to install with pip. Examples below:
 
     pip_install_packages:
       # Specify names and versions.
-      - name: docker-py
+      - name: docker
         version: "1.2.3"
       - name: awscli
         version: "1.11.91"
       # Or specify bare packages to get the latest release.
-      - docker-py
+      - docker
       - awscli
 
 ## Dependencies