diff --git a/context/1.0rc1.json b/context/1.0rc1.json
index 346cb22..3b95733 100644
--- a/context/1.0rc1.json
+++ b/context/1.0rc1.json
@@ -16,14 +16,26 @@
     "citationTrees": "dts:citationTrees",
     "citeStructure":"dts:citeStructure",
     "description": "dts:description",
+    
+    "lang": "@language",
+    "value": "@value",
     "dublinCore": {
-      "@id": "dts:dublinCore",
+      "@id": "@nest",
       "@context": {
-        "@vocab": "http://purl.org/dc/terms/"
+        "@vocab": "http://purl.org/dc/terms/",
+        "description": { 
+          "@id": "dct:description"
+        },
+        "identifier": { 
+          "@id": "dct:identifier"
+        },
+        "title": { 
+          "@id": "dct:title"
+        }
       }
     },
     "end": "dts:end",
-    "extensions": "dts:extensions",
+    "extensions": "@nest",
     "first": "dts:first",
     "last": "dts:last",
     "member": "dts:member",