diff --git a/src/pretix/control/forms/filter.py b/src/pretix/control/forms/filter.py
index 91bad9081..06c2ea755 100644
--- a/src/pretix/control/forms/filter.py
+++ b/src/pretix/control/forms/filter.py
@@ -573,6 +573,7 @@ class EventOrderExpertFilterForm(EventOrderFilterForm):
         required=False,
         widget=FilterNullBooleanSelect,
         label=_('Requires special attention'),
+        help_text=_('Only matches orders with the attention checkbox set directly for the order, not based on the product.'),
     )
 
     def __init__(self, *args, **kwargs):