Revising Any.skip and Any.batch

In fact, they were done already. I have only added some
clarification. This closes #1195

doc/Type/Any.pod6

@@ -602,6 +602,11 @@ Defined as:
 Creates a L<Seq> from 1-item list's iterator and uses
 L«C<Seq.skip>|/type/Seq#method_skip» on it.
 
+You can apply them to classes too, resulting in empty lists or lists that
+contain a single class. This is not a real use case, and it is mostly intended
+to show the calling syntax. Please note that calling C<skip> without argument is
+equivalente to C<skip(1)>.
+
     say Any.skip;      # OUTPUT: «()␤»
     say Any.skip(5);   # OUTPUT: «()␤»
     say Any.skip(-1);  # OUTPUT: «((Any))␤»
@@ -1010,7 +1015,7 @@ Defined as:
     multi method batch(Int:D $batch --> Seq)
     multi method batch(Int:D :$elems --> Seq)
 
-Coerces the C<Any> to a C<List> by applying the C<.list> method and uses
+Coerces the object to a C<List> by applying the C<.list> method and uses
 L«C<List.batch>|/type/List#method_batch» on it.
 
 =end pod