diff --git a/Documentation/git-http-pull.txt b/Documentation/git-http-pull.txt
index 431ef7c..edc5ceb 100644
--- a/Documentation/git-http-pull.txt
+++ b/Documentation/git-http-pull.txt
@@ -23,8 +23,9 @@
 	Get all the objects.
 -v::
 	Report what is downloaded.
--w::
-        Writes the commit-id into the filename under $GIT_DIR/refs/ on
+
+-w <filename>::
+        Writes the commit-id into the filename under $GIT_DIR/refs/<filename> on
         the local end after the transfer is complete.
 
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