Index: doc/proposals/vtable.md
===================================================================
--- doc/proposals/vtable.md	(revision e0d19f8315398a0d4b4879061fb4123d071fc022)
+++ doc/proposals/vtable.md	(revision d76c588058daa6269114595a571223a110ced0ab)
@@ -220,5 +220,5 @@
     trait iterator(otype T, otype Item) {
         bool has_next(T const &);
-        Item get_next(T const *);
+        Item get_next(T &);
     }