Update objects.rakudoc

Author: ZzZombo

doc/Language/objects.rakudoc

@@ -449,7 +449,7 @@ Providing an invocant in the method signature also allows for defining
 the method as either as a class method, or as an object method, through
 the use of L<type constraints|/language/signatures#Type_constraints>. The
 C<::?CLASS> variable can be used to provide the class name at compile
-time, combined with either C<:U> (for class methods) or C<:D> (for
+time, combined with either C<:U> (for class methods AKA static in other languages) or C<:D> (for
 instance methods).
 
 =begin code