diff --git a/basis/macros/macros-docs.factor b/basis/macros/macros-docs.factor
index 133509687f..91aa2fa3e5 100644
--- a/basis/macros/macros-docs.factor
+++ b/basis/macros/macros-docs.factor
@@ -16,9 +16,9 @@ HELP: MACRO:
 { $examples
   "A macro that calls a quotation but preserves any values it consumes off the stack:"
   { $code
-    "USING: fry generalizations ;" 
+    "USING: fry generalizations kernel macros stack-checker ;"
     "MACRO: preserving ( quot -- )"
-    "    [ infer in>> length ] keep '[ _ ndup @ ] ;"
+    "    [ inputs ] keep '[ _ ndup @ ] ;"
   }
   "Using this macro, we can define a variant of " { $link if } " which takes a predicate quotation instead of a boolean; any values consumed by the predicate quotation are restored immediately after:"
   { $code