diff --git a/NF.jsonld b/NF.jsonld
index c23f89cb..94cf1ddc 100644
--- a/NF.jsonld
+++ b/NF.jsonld
@@ -1689,7 +1689,7 @@
   }, {
     "@id" : "bts:assayTarget",
     "@type" : "rdfs:Class",
-    "rdfs:comment" : "The HUGO gene symbol that represents the target assayed.",
+    "rdfs:comment" : "Target of the assay such as a HUGO gene symbol, cell type, or tissue region depending on the capabilities of the assay.",
     "rdfs:label" : "assayTarget",
     "rdfs:subClassOf" : [ ],
     "schema:isPartOf" : {