Update DOAP.

Author: gkellogg

etc/doap.nt

@@ -38,8 +38,8 @@ _:g70121455472480 <http://xmlns.com/foaf/0.1/mbox_sha1sum> "bedbbf2451e5beb38d59
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#implements> <http://www.w3.org/TR/rdf-concepts/> .
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#implements> <http://sw.deri.org/2008/07/n-quads/> .
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#implements> <http://www.w3.org/2001/sw/RDFCore/ntriples/> .
-<http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#download-page> <http://http://github.com/ruby-rdf/rdf/> .
-<http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#bug-database> <http://github.com/ruby-rdf/rdf/issues> .
+<http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#download-page> <http://rubygems.org/gems/rdf-spec/> .
+<http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#bug-database> <http://github.com/ruby-rdf/rdf-spec/issues> .
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#blog> <http://ar.to/> .
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#blog> <http://blog.datagraph.org/> .
 <http://rubygems.org/gems/rdf> <http://usefulinc.com/ns/doap#vendor> <http://datagraph.org/> .