Small improvements

Fixed a typo, added a period and a newline.

Author: ChrisAntaki

README.md

@@ -16,19 +16,20 @@ $ sudo docker build -t="docker-wordpress-nginx" .
 
 ## Usage
 
-To spawn a new instance of wordpress on port 80.  The -p 80:80 maps the internal docker port 80 to the outside port 80 of the host machien.
+To spawn a new instance of wordpress on port 80.  The -p 80:80 maps the internal docker port 80 to the outside port 80 of the host machine.
 
 ```bash
 $ sudo docker run -p 80:80 --name docker-wordpress-nginx -d docker-wordpress-nginx
 ```
 
-Start your newly created docker
+Start your newly created docker.
 
 ```
 $ sudo docker start docker-wordpress-nginx
 ```
 
 After starting the docker-wordpress-nginx check to see if it started and the port mapping is correct.  This will also report the port mapping between the docker container and the host machine.
+
 ```
 $ sudo docker ps