Update author-prefixes-and-registration.md

Use forum name

Author: petecooper

brand/author-prefixes-and-registration.md

@@ -152,7 +152,7 @@ Owners are identified by their Textpattern community forum usernames. Usernames
 <div class="layout-text4col">
 
 * dak: Kaiser
-* daz: [daz](https://forum.textpattern.com/profile.php?id=1961)
+* daz: [amordecosmos](https://forum.textpattern.com/profile.php?id=1961)
 * <span class="error">dca</span>: Dean (founder, R.I.P.)
 * dds: nemoorange
 * dem: [demoncleaner](https://forum.textpattern.com/profile.php?id=15280)