diff --git a/QoSontology.kif b/QoSontology.kif
index 3c16d956..6b26b153 100644
--- a/QoSontology.kif
+++ b/QoSontology.kif
@@ -1652,7 +1652,7 @@ attribute of executing computer programs or collections of executing
 programs, such as CPU utilization, aka load, memory utilization, I/O, 
 overall task performance, network load and latency, etc.")
 
-(subclass UniformResourceIdentifier ContentBearingObject)
+(subclass UniformResourceIdentifier List)
 (exhaustiveDecomposition UniformResourceIdentifier UniformResourceLocator UniformResourceName) 
 (documentation UniformResourceIdentifier EnglishLanguage  "A &%UniformResourceIdentifier 
 (URI) is a compact string of characters for identifying an abstract or