From 30b83be20dd830f906517fa56dae8929afddd7e8 Mon Sep 17 00:00:00 2001
From: Jose Prous <joseprous@gmail.com>
Date: Sun, 13 Sep 2015 19:41:36 -0400
Subject: [PATCH] typo

---
 src/chapter-21.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chapter-21.md b/src/chapter-21.md
index e6db869..787a427 100644
--- a/src/chapter-21.md
+++ b/src/chapter-21.md
@@ -237,7 +237,7 @@ contention. Such operations, as in
 
 ```nasm
 mov eax,edx ;U-pipe cycle 1
-sub edx,edxX ;V-pipe cycle 1
+sub edx,edx ;V-pipe cycle 1
 ```
 
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