README Docker Hub fixes

README.md

-# ecommerce-prestashop-data
+### ecommerce-prestashop-data
 Docker data container for prestashop
 
-## How to run this
+#### How to run this
 
 ```bash  
 
@@ -9,7 +9,7 @@ docker run -e PS_VERSION=1.6.1.3 ikamman/ecommerce-prestashop-data
 
 ```
 
-### Mounting /var/www/html to the local machine
+##### Mounting /var/www/html to the local machine
 
 ```bash
 
@@ -17,7 +17,7 @@ docker run docker run -e PS_VERSION=1.6.1.3 -v /home/user/html:/var/www/html ika
 
 ```
 
-### Mounting only plugin directory to the local machine
+##### Mounting only plugin directory to the local machine
 
 ```bash
 
@@ -27,6 +27,6 @@ docker run docker run -e PS_VERSION=1.6.1.3 -e PLUGIN_NAME=new_plugin -v /home/u
 
 Please make sure that your **PLUGIN_NAME** match the destination directory name of the volume mounting
 
-## Directory permissions
+#### Directory permissions
 
-The www-data is an owner/group of the /var/www/html container directory. If you're mounting this directory to the local file system make sure your www-data user/group exists in your system. The alternative is to grant access to ALL users on your local directory. This will allow the container process to write to it.  
+The **www-data** is an owner/group of the /var/www/html container directory. If you're mounting this directory to the local file system make sure your **www-data** user/group exists in your system. The alternative is to grant access to ALL users on your local directory. This will allow the container process to write to it.