diff --git a/src/ontology/maxo-edit.owl b/src/ontology/maxo-edit.owl
index 1640a1ee..3bcb288a 100644
--- a/src/ontology/maxo-edit.owl
+++ b/src/ontology/maxo-edit.owl
@@ -12074,6 +12074,7 @@ AnnotationAssertion(dcterms:creator <http://purl.obolibrary.org/obo/MAXO_0001479
 AnnotationAssertion(dce:date <http://purl.obolibrary.org/obo/MAXO_0001480> "2023-04-11T12:00:00Z")
 AnnotationAssertion(dcterms:contributor <http://purl.obolibrary.org/obo/MAXO_0001480> <https://orcid.org/0000-0002-0736-9199>)
 AnnotationAssertion(dcterms:creator <http://purl.obolibrary.org/obo/MAXO_0001480> <https://orcid.org/0000-0001-7941-2961>)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/MAXO_0001480> "intravenous immunoglobulin therapy")
 AnnotationAssertion(dce:date <http://purl.obolibrary.org/obo/MAXO_0001481> "2023-04-11T12:00:00Z")
 AnnotationAssertion(dcterms:contributor <http://purl.obolibrary.org/obo/MAXO_0001481> <https://orcid.org/0000-0002-0736-9199>)
 AnnotationAssertion(dcterms:creator <http://purl.obolibrary.org/obo/MAXO_0001481> <https://orcid.org/0000-0001-7941-2961>)