Only admin can enter the url and can keep the paragraphs formatted.
Edit the video description in admin pannel.

Method can be learnt from this example:

If you have a website and you wish to increase your ranking then look no where else except:

http://www.webviewdirectory.com/

You should write like this:
If you have a website and you wish to increase your ranking then look no where else except:



http://www.webviewdirectory.com/

Thank you