diff --git a/EventOntology.ttl b/EventOntology.ttl
index fa2d4a9..687325b 100644
--- a/EventOntology.ttl
+++ b/EventOntology.ttl
@@ -2460,7 +2460,7 @@ cco:SoundFrequency rdf:type owl:Class ;
 cco:SoundPressure rdf:type owl:Class ;
                   rdfs:subClassOf cco:Pressure ;
                   cco:alternative_label "Acoustic Pressure"@en ;
-                  cco:definition "A Pressure caused by a Sound Wave that is a local deviation from the ambient Pressure."@en ;
+                  cco:definition "A Pressure that is caused by a Sound Wave and is a local deviation from the ambient Pressure."@en ;
                   cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/EventOntology"^^xsd:anyURI ;
                   rdfs:label "Sound Pressure"@en .