Fix link, jdv79++

Author: moritz

lib/Language/about.pod

@@ -90,6 +90,6 @@ is always considered a definition)
 =item C<The C<X> Infix>
 =item C<Infix X>
 =item C<Infix C<X>>
-=item C<trait is cached> (A special case for the L<trait_mod> documentables)
+=item C<trait is cached> (A special case for the L<trait|/language/functions#Traits> documentables)
 
 =end pod