diff --git a/papis-marvin b/papis-marvin
index 4ce4ba1..479a4da 100755
--- a/papis-marvin
+++ b/papis-marvin
@@ -5,6 +5,7 @@
 # the iOS application 'Marvin Reader'. In the app, export your
 # annotations as 'csv' format and then point the script to the
 # resulting file.
+# https://git.martyoeh.me/Marty/papis-marvin
 import os
 import sys
 import re