diff --git a/src/cco-modules/GeospatialOntology.ttl b/src/cco-modules/GeospatialOntology.ttl
index 96fad58..ddf3336 100644
--- a/src/cco-modules/GeospatialOntology.ttl
+++ b/src/cco-modules/GeospatialOntology.ttl
@@ -532,7 +532,7 @@ cco:ont00000779 rdf:type owl:Class ;
                  rdfs:subClassOf obo:BFO_0000024 ;
                  rdfs:label "Portion of Cryosphere"@en ;
                  skos:definition "A fiat object part of the frozen part of a natural satellite's hydosphere"@en ;
-                 cco:ont00001754 "https://oceanservice.noaa.gov/facts/cryosphere.html (accessed 03/06/2023)"^^xsd:anyURI ;
+                 cco:ont00001754 "NOAA. “What Is the Cryosphere?” National Ocean Service, 16 June 2024, oceanservice.noaa.gov/facts/cryosphere.html. Accessed 24 Mar. 2026."^^xsd:string ;
                  cco:ont00001760 "https://www.commoncoreontologies.org/GeospatialOntology"^^xsd:anyURI .