From 804d759c8bdecebc0d0e57d423916d6572cec5a8 Mon Sep 17 00:00:00 2001
From: Yasuhiko Watanabe <ywataywatay@gmail.com>
Date: Wed, 9 Jan 2019 07:12:00 +0900
Subject: [PATCH] Typo.

---
 src/plfa/Lambda.lagda | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plfa/Lambda.lagda b/src/plfa/Lambda.lagda
index 3521ae96..9f6a1621 100644
--- a/src/plfa/Lambda.lagda
+++ b/src/plfa/Lambda.lagda
@@ -464,7 +464,7 @@ Let's unpack the first three cases:
 with `x`, the variable in the term. If they are the same,
 we yield `V`, otherwise we yield `x` unchanged.
 
-* For abstractions, we compare `w`, the variable we are substituting for,
+* For abstractions, we compare `y`, the variable we are substituting for,
 with `x`, the variable bound in the abstraction. If they are the same,
 we yield the abstraction unchanged, otherwise we subsititute inside the body.