From 9e210c83382ce9c87ff2b58c45d3a1f63a1467dc Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 15 Apr 2013 21:32:20 +0200
Subject: [PATCH] Clarify exception message

---
 src/Composer/Config.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Config.php b/src/Composer/Config.php
index 7dc0c6ebd..1a3856188 100644
--- a/src/Composer/Config.php
+++ b/src/Composer/Config.php
@@ -180,7 +180,7 @@ class Config
                 if ($env = getenv('COMPOSER_DISCARD_CHANGES')) {
                     if (!in_array($env, array('stash', 'true', 'false', '1', '0'), true)) {
                         throw new \RuntimeException(
-                            "Invalid value for 'discard-changes': {$this->config[$key]}, expected 1, 0, true, false or stash"
+                            "Invalid value for COMPOSER_DISCARD_CHANGES: {$this->config[$key]}, expected 1, 0, true, false or stash"
                         );
                     }
                     if ('stash' === $env) {