From 5990abead18b51b2e43c2810f3453b5e862606ed Mon Sep 17 00:00:00 2001
From: Andriy Grygorenko <andriy.grygorenko@gmail.com>
Date: Fri, 27 Nov 2015 20:19:32 -0500
Subject: [PATCH] F.27: Example fix

It is usually a bad idea to share mutable objects between threads, which leads to a race condition or unnecessary thread contention.,
---
 CppCoreGuidelines.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 656b478..8d5fafd 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -2583,7 +2583,7 @@ Using `std::shared_ptr` is the standard way to represent shared ownership. That
 
 ##### Example
 
-    shared_ptr<Image> im { read_image(somewhere) };
+    shared_ptr<const Image> im { read_image(somewhere) };
 
     std::thread t0 {shade, args0, top_left, im};
     std::thread t1 {shade, args1, top_right, im};