diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -91,4 +91,5 @@ python3 manage.py clear_neo4j
 * **Neomodel:** <https://neomodel.readthedocs.io/en/latest/>
 * **Neo4j:** <https://neo4j.com/docs/>
 * **DRF:** <https://www.django-rest-framework.org/>
-* **Serializing neomodel data:** <https://neo4j-examples.github.io/paradise-papers-django/tutorial/part01.html>
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+* **Serializing neomodel data:** <https://neo4j-examples.github.io/paradise-papers-django/tutorial/part01.html>
+* **Github issue on create_or_update and get_or_update functions:** https://github.com/neo4j-contrib/neomodel/issues/558 
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