Use more elaborate example for mkdir with nested dirs

Author: zoffixznet

doc/Type/IO/Path.pod6

@@ -824,7 +824,8 @@ the newly created directory on success;
 L<fails|/routine/fail> with L<X::IO::Mkdir> if directory cannot be created.
 
 Creates parent directories, as needed (similar to *nix utility C<mkdir> with C<-p> option).
-That is, C<mkdir "foo/bar"> will create C<foo> if it does not exist.
+That is, C<mkdir "foo/bar/ber/meow"> will create C<foo>, C<foo/bar>, and C<foo/bar/ber>
+directories if they do not exist, as well as creating C<foo/bar/ber/meow>.
 
 =head2 routine rmdir