diff --git a/will.py b/will.py
index 160e11d..bf12318 100644
--- a/will.py
+++ b/will.py
@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+# Will module for the BAL Electrum plugin.
+
 import copy
 
 from electrum.bitcoin import NLOCKTIME_BLOCKHEIGHT_MAX