manip trees: tweaks

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/manipulating_trees_with_monads.mdwn b/manipulating_trees_with_monads.mdwn
index 3a30561..76cfef2 100644 (file)
--- a/manipulating_trees_with_monads.mdwn
+++ b/manipulating_trees_with_monads.mdwn
@@ -106,8 +106,8 @@ updated tree.
 
 That is, we want to transform the ordinary tree `t1` (of type `int
 tree`) into a reader object of type `(int -> int) -> int tree`: something
 
 That is, we want to transform the ordinary tree `t1` (of type `int
 tree`) into a reader object of type `(int -> int) -> int tree`: something

-that, when you apply it to an `int -> int` function returns an `int
-tree` in which each leaf `x` has been replaced with `(f x)`.
+that, when you apply it to an `int -> int` function `f` returns an `int
+tree` in which each leaf `x` has been replaced with `f x`.

 
 With previous readers, we always knew which kind of environment to
 expect: either an assignment function (the original calculator
 
 With previous readers, we always knew which kind of environment to
 expect: either an assignment function (the original calculator