From 5701d86f064184812ea0d2986df4d6865a7c8172 Mon Sep 17 00:00:00 2001
From: Laura Frank <ljfrank@gmail.com>
Date: Thu, 30 Nov 2017 16:55:52 -0500
Subject: [PATCH] Add example for `preferences` under deploy `placement`
 (#5415)

---
 compose/compose-file/index.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compose/compose-file/index.md b/compose/compose-file/index.md
index 0a382971fd..b9313305da 100644
--- a/compose/compose-file/index.md
+++ b/compose/compose-file/index.md
@@ -629,6 +629,8 @@ documentation.
             constraints:
               - node.role == manager
               - engine.labels.operatingsystem == ubuntu 14.04
+            preferences:
+              - spread: node.labels.zone
 
 #### replicas