etc/registry.json in rdf-microdata-3.1.2 vs etc/registry.json in rdf-microdata-3.1.3

@@ -2,7 +2,12 @@
   "http://schema.org/": {
     "properties": {
       "additionalType": {"subPropertyOf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"}
     }
   },
+  "https://schema.org/": {
+    "properties": {
+      "additionalType": {"subPropertyOf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"}
+    }
+  },
   "http://microformats.org/profile/hcard": {}
 }