Fix potential

Author: Philipp von Hartrott

src/ontology/components/pmdco-qualities.owl

@@ -450,7 +450,7 @@ SubClassOf(pmdco:PMD_0000551 ObjectSomeValuesFrom(pmdco:PMD_0000004 pmdco:PMD_00
 AnnotationAssertion(rdfs:label pmdco:PMD_0000553 "chemical potential"@en)
 AnnotationAssertion(skos:definition pmdco:PMD_0000553 "The chemical potential is a thermodynamic quality describing the energy change associated with the addition of a small quantity of a substance to a system at constant temperature and pressure."@en)
 AnnotationAssertion(pmdco:PMD_0000060 pmdco:PMD_0000553 "true"^^xsd:boolean)
-SubClassOf(pmdco:PMD_0000553 pmdco:PMD_0020148)
+SubClassOf(pmdco:PMD_0000553 pmdco:PMD_0020131)
 
 # Class: pmdco:PMD_0000586 (absorption of corpuscular radiation)