diff --git a/omero_tagsearch/views.py b/omero_tagsearch/views.py
index 12dca47..df549fc 100644
--- a/omero_tagsearch/views.py
+++ b/omero_tagsearch/views.py
@@ -195,7 +195,7 @@ def get_tagsets():
         )
 
         return {
-            result[0].val: f" ({result[1].val})"
+            result[0].val: f" [{result[1].val}]"
             for result in qs.projection(hql, params, service_opts)
         }