diff --git a/support/startup/PhabricatorStartup.php b/support/startup/PhabricatorStartup.php
--- a/support/startup/PhabricatorStartup.php
+++ b/support/startup/PhabricatorStartup.php
@@ -210,7 +210,7 @@
     if (!$ok) {
       self::didFatal(
         'Unable to load the "Arcanist" library. Put "arcanist/" next to '.
-        '"phabricator/" on disk.');
+        '"phorge/" on disk.');
     }
 
     // Load Phabricator itself using the absolute path, so we never end up doing