xhtml.rb in rdf-vocab-3.3.1

- old
+ new

@@ -7,9 +7,9 @@
   # @!visibility private
   XHTML = Class.new(RDF::Vocabulary("http://www.w3.org/1999/xhtml#")) do
 
     # Ontology definition
     ontology :"http://www.w3.org/1999/xhtml#",
-      "http://www.w3.org/1999/xhtml/vocab#stylesheet": "http://www.w3.org/StyleSheets/TR/base",
-      "http://www.w3.org/2003/g/data-view#namespaceTransformation": "http://www.w3.org/2008/07/rdfa-xslt"
+      "http://www.w3.org/1999/xhtml/vocab#stylesheet": "https://www.w3.org/StyleSheets/TR/base",
+      "http://www.w3.org/2003/g/data-view#namespaceTransformation": "https://www.w3.org/2008/07/rdfa-xslt"
   end
 end