diff --git a/src/ontology/sepio-edit.owl b/src/ontology/sepio-edit.owl
index 5e6d158..ca454bc 100644
--- a/src/ontology/sepio-edit.owl
+++ b/src/ontology/sepio-edit.owl
@@ -2111,10 +2111,10 @@ SubClassOf(obo:SEPIO_0000186 obo:SEPIO_0000070)
 
 # Class: obo:SEPIO_0000187 (confidence level)
 
-AnnotationAssertion(obo:IAO_0000115 obo:SEPIO_0000187 "A data item that quantifies the level of confidence an agent has that a particular piece of information is true.")
+AnnotationAssertion(obo:IAO_0000115 obo:SEPIO_0000187 "A measurement datum that quantifies the level of confidence an agent has that a particular piece of information is true.")
 AnnotationAssertion(rdfs:label obo:SEPIO_0000187 "confidence level"@en)
 SubClassOf(obo:SEPIO_0000187 obo:IAO_0000109)
-SubClassOf(obo:SEPIO_0000187 ObjectSomeValuesFrom(obo:IAO_0000136 obo:SEPIO_0000174))
+SubClassOf(obo:SEPIO_0000187 ObjectSomeValuesFrom(obo:IAO_0000136 obo:IAO_0000030))
 
 # Class: obo:SEPIO_0000258 (provider interpretation)
 
@@ -2343,4 +2343,4 @@ Can this just be \"has part\" . . .or is a specific/unique relation needed here
 SubObjectPropertyOf(ObjectPropertyChain(obo:SEPIO_0000098 obo:SEPIO_0000007) obo:SEPIO_0000007)
 SubObjectPropertyOf(ObjectPropertyChain(obo:SEPIO_0000098 obo:SEPIO_0000009) obo:SEPIO_0000009)
 SubObjectPropertyOf(ObjectPropertyChain(obo:SEPIO_0000100 obo:SEPIO_0000007) obo:SEPIO_0000008)
-)
\ No newline at end of file
+)