Reword sentence in the intro to lists

Author: uzluisf

doc/Type/List.pod6

@@ -22,7 +22,7 @@ L<subscripts|/language/subscripts>.
 In Perl 6, assigning a C<List> to a scalar variable does not lose
 information. The difference is that iteration generally treats a
 list (or any other list-like object, like a L<Seq|/type/Seq> or an L<Array|/type/Array>)
-inside a scalar as a single element, as long as it's part of another .
+inside a scalar as a single element.
 
     my $s = (1, 2, 3);
     for $s { }      # one iteration
@@ -36,7 +36,7 @@ inside a scalar as a single element, as long as it's part of another .
     for @a { }      # three iterations
     for @a.item { } # one iteration
 
-C<.item> can often be written as C<$( ... )>, and on an array variable
+C<.item> is often written as C<$( ... )> and, on array variables,
 even as C<$@a>.
 
 Lists generally don't interpolate (flatten) into other lists, except