Link to a more proper loc

Author: tisonkun

doc/Language/glossary.pod6

@@ -9,7 +9,7 @@ X<|Abstract Class>
 
 The generic Computer Science term "abstract class" defines the
 L<interface|#Interface> or L<#API> of a class.  In Perl 6, this is
-implemented using L<roles|/language/objects#Roles> with
+implemented using L<roles|#Roles> with
 L<stubbed|#Stub> methods.
 
     role Canine {