Paragraph isnt appeaing in front end

Hello

I have a backofficehttp://admin.artemrede.pt/login.aspx?ReturnUrl=%2fdefault.aspx, user: teste and passw: 12345. In some the textboxe sinopse for example When I introduce the text I want to have some paragraphs, so I click enter and save the record. If I use <br> it says that I'm trying to put some unsecure code in it and gives me an error.

The problem is that when I visualize the resulthttp://www.artemrede.pt/destaque_ie.aspx, the enters, paragraphs don't appear, how can I solve this?

Thanks

Try this in your web.config:

<configuration>
 <system.web>
 <pages validateRequest="false" />
 </system.web>
</configuration>