Index: doc/proposals/vtable.md
===================================================================
--- doc/proposals/vtable.md	(revision 62315a0dd8b45055a6c77e741012a5876200d6d7)
+++ doc/proposals/vtable.md	(revision 37eef7ae48492baf976bf55e5ae1abe5d8779967)
@@ -220,5 +220,5 @@
     trait iterator(otype T, otype Item) {
         bool has_next(T const &);
-        Item get_next(T const *);
+        Item get_next(T &);
     }