From 150744a8d3023ea5678e913ec3299e9e0bffb976 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Blanchon?=
 <bblanchon@users.noreply.github.com>
Date: Tue, 25 Jul 2017 17:32:29 +0200
Subject: [PATCH] Fix example in CP.21 (#1007)

---
 CppCoreGuidelines.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 37a731d..550c5a3 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -13571,12 +13571,12 @@ This is asking for deadlock:
 Instead, use `lock()`:
 
     // thread 1
-    lock(lck1, lck2);
+    lock(m1, m2);
     lock_guard<mutex> lck1(m1, adopt_lock);
     lock_guard<mutex> lck2(m2, adopt_lock);
 
     // thread 2
-    lock(lck2, lck1);
+    lock(m2, m1);
     lock_guard<mutex> lck2(m2, adopt_lock);
     lock_guard<mutex> lck1(m1, adopt_lock);