Description field by default strips HTML tags. In order to use and allow HTML tags in Description, follow these steps:

1. Login to the back-end
2. Go to Mosets Tree
3. Click Custom Fields
4. Click 'Description'
5. Scroll to the lower part of the page and you will see a list of parameters
6. Set the following parameters:
   • Strip all HTML tags in Summary view - Yes
   • Strip all HTML tags in Details view - No
   • Parse URL as link in Details view - No
   • Strip all HTML tags before storing to database - No

This will allow you to use HTML tags in description field. Please note that HTML tags will be stripped in Summary view and only shown in Details view.