diff --git a/Documentation/git-prune-packed.txt b/Documentation/git-prune-packed.txt
index 80dc022ede..6738055bd3 100644
--- a/Documentation/git-prune-packed.txt
+++ b/Documentation/git-prune-packed.txt
@@ -14,7 +14,7 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-This program searches the `$GIT_OBJECT_DIR` for all objects that currently
+This program searches the `$GIT_OBJECT_DIRECTORY` for all objects that currently
 exist in a pack file as well as the independent object directories.
 
 All such extra objects are removed.