diff --git a/dfgfo.ttl b/dfgfo.ttl
index 2003901..c5f55c3 100644
--- a/dfgfo.ttl
+++ b/dfgfo.ttl
@@ -1,9 +1,9 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix dcterms: <http://purl.org/dc/terms/> .
 @prefix dfgfo: <https://github.com/tibonto/dfgfo/> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix terms: <http://purl.org/dc/terms/> .
 
 dc:creator a owl:AnnotationProperty .
 
@@ -11,7 +11,7 @@ dc:description a owl:AnnotationProperty .
 
 dc:title a owl:AnnotationProperty .
 
-dcterms:license a owl:AnnotationProperty .
+terms:license a owl:AnnotationProperty .
 
 skos:altLabel a owl:AnnotationProperty .
 
@@ -22,9 +22,10 @@ skos:altLabel a owl:AnnotationProperty .
     dc:description "DFG Fachsystematik Ontology / DFG Classification of Subject Areas Ontology (DFGFO) encodes the DFG Classification of Subject Areas into an ontology, where each subject number are is enconded into a Class with subclass statements following the DFG Classification of Subject Areas hierarchy. Labels are provide German and English." ;
     dc:title "DFG Fachsystematik - Ontologie - 2024-2028"@de,
         "DFG Classification of Subject Areas Ontology - 2024-2028"@en ;
-    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
+    terms:license <https://creativecommons.org/licenses/by/4.0/> ;
     rdfs:comment "DFG Classification of Subject Areas Ontology is being created as part of the TIB Terminology Service"@de,
-        "DFG Fachsystematik - Ontology wurde zur Integration in den TIB Terminology Service erstellt"@de .
+        "DFG Fachsystematik - Ontology wurde zur Integration in den TIB Terminology Service erstellt"@de,
+        "DFG Fachsystematik Ontology / DFG Classification of Subject Areas Ontology (DFGFO) is aligned with GBV DFG2024 via skos:closeMatch relations. The two semantic artifacts were developed separately, but both teams strive towards alignment. While DFGO defines terms as owl:Class instances, GBV defines them as skos:Concept. More details on GBV DFG2024 at http://uri.gbv.de/terminology/dfg/"@en .
 
 dfgfo:111-01 a owl:Class ;
     rdfs:label "Prehistory and World Archaeology"@en ;
diff --git a/metadata.ttl b/metadata.ttl
index 30eee4e..af5ef80 100644
--- a/metadata.ttl
+++ b/metadata.ttl
@@ -26,5 +26,5 @@ skos:altLabel rdf:type owl:AnnotationProperty .
                                    dc:title "DFG Fachsystematik - Ontologie - 2024-2028"@de ;
                                    rdfs:comment "DFG Classification of Subject Areas Ontology is being created as part of the TIB Terminology Service"@de ;
                                    rdfs:comment "DFG Fachsystematik - Ontology wurde zur Integration in den TIB Terminology Service erstellt"@de ;
-                                   terms:license <https://creativecommons.org/licenses/by/4.0/> . 
-# TODO: provide appropriate license - same license should go to github repo
\ No newline at end of file
+                                   terms:license <https://creativecommons.org/licenses/by/4.0/> ; 
+				   rdfs:comment "DFG Fachsystematik Ontology / DFG Classification of Subject Areas Ontology (DFGFO) is aligned with GBV DFG2024 via skos:closeMatch relations. The two semantic artifacts were developed separately, but both teams strive towards alignment. While DFGO defines terms as owl:Class instances, GBV defines them as skos:Concept. More details on GBV DFG2024 at http://uri.gbv.de/terminology/dfg/"@en .