Updated README

References laradock#135

Author: kauhat

README.md

@@ -828,33 +828,30 @@ server_name laravel.dev;
 ### Optional Features
 Optional features can be enabled by changing the `.env` file in the Laradock directory.
 
-#### prestissimo
-[prestissimo](https://github.com/hirak/prestissimo) is a plugin for composer which enables parallel install functionality. You can enable prestissimo by setting `INSTALL_PRESTISSIMO=true` in the `.env` file.
+#### Prestissimo
+[Prestissimo](https://github.com/hirak/prestissimo) is a plugin for composer which enables parallel install functionality. You can enable Prestissimo by setting `INSTALL_PRESTISSIMO=true` in the `.env` file.
 
 <br>
 <a name="debugging"></a>
 ### Debugging
 
 *Here's a list of the common problems you might face, and the possible solutions.*
 
-#### + I see a blank (white) page instead of the Laravel 'Welcome' page!
+#### I see a blank (white) page instead of the Laravel 'Welcome' page!
 
-run this command from the Laravel root directory:
+Run the following command from the Laravel root directory:
 
 ```bash
 sudo chmod -R 777 storage bootstrap/cache
 ```
 
-#### + I see "Welcome to nginx" instead of the Laravel App!
-
-use `http://127.0.0.1` instead of `http://localhost` in your browser.
-
-
-
-
+#### I see "Welcome to nginx" instead of the Laravel App!
 
+Use `http://127.0.0.1` (or [your Docker IP](#Find-Docker-IP-Address)) instead of `http://localhost` in your browser.
 
+#### I see an error message containing `address already in use`
 
+Make sure the ports for the services that you are trying to run (80, 3306, etc.) are not being used already by other programs, such as a built in `apache`/`httpd` service or other development tools you have installed.
 
 
 <br>