Update readme with minor copy tweaks

README.md

@@ -1,6 +1,6 @@
 # WordPress Nginx
 
-This config kit contains the Nginx configurations used within the series [Install WordPress on Ubuntu 18.04](https://spinupwp.com/hosting-wordpress-yourself-ssl-spdy/). It contains best practices from various sources, including the [WordPress Codex](https://codex.wordpress.org/Nginx) and [H5BP](https://github.com/h5bp/server-configs-nginx). The following example sites are included:
+This config kit contains the Nginx configurations used in the [Install WordPress on Ubuntu 18.04](https://spinupwp.com/hosting-wordpress-yourself-ssl-spdy/) guide. It contains best practices from various sources, including the [WordPress Codex](https://codex.wordpress.org/Nginx) and [H5BP](https://github.com/h5bp/server-configs-nginx). The following example sites are included:
 
 * [multisite-subdirectory.com](sites-available/multisite-subdirectory.com) - WordPress multisite install using subdirectories
 * [multisite-subdomain.com](sites-available/multisite-subdomain.com) - WordPress multisite install using subdomains
@@ -12,7 +12,7 @@ This config kit contains the Nginx configurations used within the series [Instal
 
 ### Site configuration
 
-You can use these sample configurations as reference or directly by replacing your existing nginx directory. Follow the steps below to replace your existing nginx configuration.
+You can use these sample configurations as reference or directly by replacing your existing nginx directory. Follow the steps below to replace your existing Nginx configuration.
 
 Backup any existing config:
 
@@ -98,4 +98,4 @@ The following site structure is used throughout these configs:
     └── cache
     └── logs
     └── public
-```
+```