Fixes warning and changes to list, refs e01b3ca and follows @coke advice

Author: JJ

doc/Language/list.pod6

@@ -15,11 +15,11 @@ an elegant system for handling them.
 Literal L<C<List>s|/type/List> are created with commas and semicolons B<not>
 with parentheses, so:
 
-    our @list = 1, 2;        # This is two-element list
-    @list = (1, 2);      # This is also a List, in parentheses
-    @list = (1; 2);      # same List (see below)
-    @list = (1);         # This is not a List, just a 1 in parentheses
-    @list = (1,);        # This is a one-element List
+    1, 2;        # This is two-element list
+    our $list = (1, 2);      # This is also a List, in parentheses
+    $list = (1; 2);      # same List (see below)
+    $list = (1);         # This is not a List, just a 1 in parentheses
+    $list = (1,);        # This is a one-element List
 
 There is one exception, empty lists are created with just parenthesis: