RTFM Wikitext area, wiki syntax isn't working correctly

I am running rt 3.8.2 with RTFM 2.4.1. I’ve setup a custom field with “Fill
in one wikitext area”. I’ve read in the online wiki some guidelines as what
syntax’s are allowed, but they don’t seem to be working correctly for me.
IE: if i add a link like this, [My Link http://example.com] It displays “My
Link” and “http://example.com” as clickable areas. However “My Link” is
treated like an internal wiki page while “http://example.com” works. And to
my understanding from reading the online doc’s it should only show "My Link"
View this message in context: http://www.nabble.com/RTFM-Wikitext-area%2C-wiki-syntax-isn’t-working-correctly-tp22170897p22170897.html