diff --git a/doc/src/refmanual/fold.rst b/doc/src/refmanual/fold.rst
index a1ef4df..a51319e 100644
--- a/doc/src/refmanual/fold.rst
+++ b/doc/src/refmanual/fold.rst
@@ -78,7 +78,7 @@ For any |Forward Sequence| ``s``, binary |Lambda Expression| ``op``, and arbitra
         typedef iter_fold<
               s
             , state
-            , apply2< lambda<op>::type, _1, deref<_2> >
+            , apply_wrap2< lambda<op>::type, _1, deref<_2> >
             >::type t; 
 
 
diff --git a/doc/src/refmanual/reverse_fold.rst b/doc/src/refmanual/reverse_fold.rst
index b913f3d..20b3b96 100644
--- a/doc/src/refmanual/reverse_fold.rst
+++ b/doc/src/refmanual/reverse_fold.rst
@@ -85,10 +85,11 @@ and arbitrary type ``state``:
 
     .. parsed-literal::
     
+        typedef lambda<backward_op>::type op; 
         typedef reverse_iter_fold< 
               s
             , state
-            , apply2< lambda<backward_op>::type, _1, deref<_2> >
+            , apply_wrap2< op, _1, deref<_2> >
             >::type t;