XF 1.3 Cloudflare Manual SSL

Due to the return of DDoS attacks on our website I had to put it back onto CloudFlare. A while ago I added SSL due to popular demand but CloudFlare needs a special meta tag to be inserted.

STEP A. Please insert the following unique meta tag into the head section on either domain.com or www.domain.com. It must be inserted immediately after the opening <head> section. The unique <meta> tag for your website is:

<meta name="globalsign-domain-verification" content="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" />
Any idea on how to accomplish this?