diff --git a/accounting/storage/ledgercli.py b/accounting/storage/ledgercli.py
index b6e5e497b07cb0a3bb73eea2060c92603fcea1cc..bb7f3fa3a76226516823c6893f63bad752a4ab1d 100644
--- a/accounting/storage/ledgercli.py
+++ b/accounting/storage/ledgercli.py
@@ -1,3 +1,7 @@
+# Part of accounting-api project:
+# https://gitorious.org/conservancy/accounting-api
+# License: AGPLv3-or-later
+
 import sys
 import subprocess
 import logging