diff --git a/app/controllers/ops_controller/settings/label_tag_mapping.rb b/app/controllers/ops_controller/settings/label_tag_mapping.rb
index 7fefc31d9b1..e71f04aafbf 100644
--- a/app/controllers/ops_controller/settings/label_tag_mapping.rb
+++ b/app/controllers/ops_controller/settings/label_tag_mapping.rb
@@ -153,7 +153,7 @@ def label_tag_mapping_add(entity, label_name, cat_description)
 
     # UI currently can't allow 2 mappings for same (entity, label).
     if Classification.find_by_name(cat_name)
-      add_flash(_("Mapping for %{entity}, %{label} already exists") %
+      add_flash(_("Mapping for %{entity}, Label \"%{label}\" already exists") %
                   {:entity => entity_ui_name_or_all(entity), :label => label_name}, :error)
       javascript_flash
       return