From 08481e81ca81cf3ae07279b58cabcf0e2ec7d9ec Mon Sep 17 00:00:00 2001
From: bin liu <liubin0329@gmail.com>
Date: Wed, 19 Aug 2015 18:41:34 +0800
Subject: [PATCH] add missing instruction

Signed-off-by: bin liu <liubin0329@gmail.com>
---
 docs/reference/builder.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/reference/builder.md b/docs/reference/builder.md
index 6ec9e7d1c6..3a73b87d29 100644
--- a/docs/reference/builder.md
+++ b/docs/reference/builder.md
@@ -949,6 +949,7 @@ For example:
 
     ENV DIRPATH /path
     WORKDIR $DIRPATH/$DIRNAME
+    RUN pwd
 
 The output of the final `pwd` command in this `Dockerfile` would be
 `/path/$DIRNAME`