add missing comma

services/about-marcus/queries/quantity.query

 SELECT ?label (COUNT(?class) AS ?total) WHERE {
 GRAPH <urn:x-arq:UnionGraph>  {
 ?s a ?class .
-FILTER (?class NOT IN ( ubbont:DigitalResource , ubbont:Page , ore:Aggregation owl:DatatypeProperty, owl:ObjectProperty, owl:FunctionalProperty, rdfs:Class, owl:Class))
+FILTER (?class NOT IN ( ubbont:DigitalResource , ubbont:Page , ore:Aggregation, owl:DatatypeProperty, owl:ObjectProperty, owl:FunctionalProperty, rdfs:Class, owl:Class))
 ?class rdfs:label ?label .
 FILTER(LANG(?label) = "").