[tracker/sam/duration-seconds] ontologies: Specify a unit for nfo:duration

[Sam Thursfield <sthursfield src gnome org>]

commit 6d2ec246c1d0b8500692ddbdd51ac4c637efbd29
Author: Sam Thursfield <sam afuera me uk>
Date:   Sun Dec 13 21:12:09 2020 +0100

    ontologies: Specify a unit for nfo:duration
    
    Upstream Nepomuk doesn't specify a unit, but it's a useless value
    without one. GStreamer extractor treats duration as seconds so
    lets declare that as the standard.

 src/ontologies/nepomuk/33-nfo.ontology | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/ontologies/nepomuk/33-nfo.ontology b/src/ontologies/nepomuk/33-nfo.ontology
index 9d9c09e21..905bd879f 100644
--- a/src/ontologies/nepomuk/33-nfo.ontology
+++ b/src/ontologies/nepomuk/33-nfo.ontology
@@ -299,7 +299,7 @@ nfo:commentCharacterCount a rdf:Property ;
 
 nfo:duration a rdf:Property ;
        rdfs:label "duration" ;
-       rdfs:comment "Duration of a media piece." ;
+       rdfs:comment "Duration of a media piece, measured in seconds." ;
        nrl:maxCardinality 1 ;
        rdfs:domain nfo:Media ;
        rdfs:range xsd:integer .