diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt
index 18091c6157..6547ff3f99 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt
@@ -193,7 +193,7 @@ a.add, a.delete {
                         [% END %]
                       </td>
                       <td>
-                          [% search_field.aliases.join(',') | html %]
+                          [% search_field.aliases.join(', ') | html %]
                       </td>
                       <td>
                         [% IF search_field.mandatory %]