diff --git a/src/common/xmpp/c14n.py b/src/common/xmpp/c14n.py
index 9416ed9e8..a6e94a5b3 100644
--- a/src/common/xmpp/c14n.py
+++ b/src/common/xmpp/c14n.py
@@ -1,6 +1,8 @@
+''' XML canonicalisation methods (for XEP-0116) '''
+# FIXME: Add licence, copyright
+
 from simplexml import ustr
 
-# XML canonicalisation methods (for XEP-0116)
 def c14n(node):
 	s = "<" + node.name
 	if node.namespace:
@@ -34,4 +36,4 @@ def normalise_text(val):
 	return val.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;').replace('\r', '&#xD;')
 
 
-# vim: se ts=3:
\ No newline at end of file
+# vim: se ts=3: