From a5244dd66c873f140406c4498c3c5c7615c3d1ee Mon Sep 17 00:00:00 2001
From: Wesley Wiser <wwiser@gmail.com>
Date: Fri, 30 Sep 2016 09:56:58 -0400
Subject: [PATCH] Add `Send` and `Sync` traits to the reference

Fixes #36859
---
 src/doc/reference.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/doc/reference.md b/src/doc/reference.md
index b72c3743a69ce..20970ab7a3512 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -3959,6 +3959,16 @@ the top-level type for the implementation of the called method. If no such metho
 found, `.deref()` is called and the compiler continues to search for the method
 implementation in the returned type `U`.
 
+## The `Send` trait
+
+The `Send` trait indicates that a value of this type is safe to send from one 
+thread to another.
+
+## The 'Sync' trait
+
+The 'Sync' trait indicates that a value of this type is safe to share between
+multiple threads.
+
 # Memory model
 
 A Rust program's memory consists of a static set of *items* and a *heap*.