[io grant] Improve suggestion for Perl 5's opendir

Author: zoffixznet

doc/Language/5to6-perlfunc.pod6

@@ -896,11 +896,7 @@ deals with newlines. Details L<here|/routine/open>.
 
 =item opendir DIRHANDLE, EXPR
 
-Not a builtin function in Perl 6. You would use the IO::Path class:
-
-    my $dir = IO::Path.new("directory");
-
-    my $dir = "directory".IO; # Same, but probably more direct
+No replacement. See L«C<&dir>/C<IO::Path.dir>|/routine/dir» for alternatives.
 
 =head2 ord