Adapted vocabulary to cmip6 handle record.

landingpage/landingpageapp/handle/cmip6_vocabulary.py

@@ -10,9 +10,9 @@ KEYS = dict(
     checksum = 'CHECKSUM',
     checksum_method = 'CHECKSUM_METHOD',
     url_orig = 'URL_ORIGINAL_DATA',
-    url_replica = 'URL_REPLICAS',
+    url_replica = 'URL_REPLICA',
     subparts = 'HAS_PARTS',
-    replica_nodes = 'REPLICA_NODES',
+    replica_nodes = 'REPLICA_NODE',
     data_node = 'HOSTING_NODE',
     drs_id = 'DRS_ID',
     vers_num = 'VERSION_NUMBER',