diff --git a/pyscal_rdf/network/term.py b/pyscal_rdf/network/term.py
index 888e08a..481a442 100644
--- a/pyscal_rdf/network/term.py
+++ b/pyscal_rdf/network/term.py
@@ -1,3 +1,6 @@
+"""
+https://docs.python.org/3/library/operator.html
+"""
 from rdflib import Namespace
 
 class OntoTerm: