From a2cea0eb7d73c9df78a8727e6b3a588460c72169 Mon Sep 17 00:00:00 2001
From: Emil Styrke <emil.styrke@gmail.com>
Date: Thu, 21 Jan 2016 09:44:50 +0100
Subject: [PATCH] Fix typo

It seems the requirement specifier must be `sys_platform` and not `sys.platform`. Tested with pip 8.0.0.
---
 docs/reference/pip_install.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/reference/pip_install.rst b/docs/reference/pip_install.rst
index 20963375a..27757637d 100644
--- a/docs/reference/pip_install.rst
+++ b/docs/reference/pip_install.rst
@@ -235,7 +235,7 @@ Since version 6.0, pip also supports specifers containing `environment markers
  ::
 
   SomeProject ==5.4 ; python_version < '2.7'
-  SomeProject; sys.platform == 'win32'
+  SomeProject; sys_platform == 'win32'
 
 Environment markers are supported in the command line and in requirements files.