diff --git a/cont.c b/cont.c
index ae99a34531..da1075cfb0 100644
--- a/cont.c
+++ b/cont.c
@@ -1678,13 +1678,13 @@ rb_cont_call(int argc, VALUE *argv, VALUE contval)
  *    end
  *
  *    puts fiber.resume 10
- *    puts fiber.resume 14
- *    puts fiber.resume 18
+ *    puts fiber.resume 1_000_000
+ *    puts fiber.resume "The fiber will be dead before I can cause trouble"
  *
  *  <em>produces</em>
  *
  *    12
- *    14
+ *    1000000
  *    FiberError: dead fiber called
  *
  */