diff --git a/config/schema/field_group.field_group_formatter_plugin.schema.yml b/config/schema/field_group.field_group_formatter_plugin.schema.yml
index 6af0545..baed248 100644
--- a/config/schema/field_group.field_group_formatter_plugin.schema.yml
+++ b/config/schema/field_group.field_group_formatter_plugin.schema.yml
@@ -109,6 +109,9 @@ field_group.field_group_formatter_plugin.base:
   type: mapping
   label: 'Mapping for the base formatter settings'
   mapping:
+    label:
+      type: string
+      label: 'Label of the fieldgroup'
     classes:
       type: string
       label:  'Classes of the fieldgroup'