Approval.

backend/nl/db_links.json

@@ -23,6 +23,7 @@
         "obj_literature_already_added": "The literature entry was already linked with the object",
         "obj_collection_already_added": "The collection was already linked with the object",
         "similar_tag_already_known": "The tag was already known by a different name,<br \/>linked that entry.",
-        "identified_rewritten_tag": "The tag is known to mean the same as the following tags (now linked):"
+        "identified_rewritten_tag": "The tag is known to mean the same as the following tags (now linked):",
+        "tag_in_blacklist": "The entered tag is blacklisted"
     }
 }