diff --git a/backend/internal/web/admin_series.go b/backend/internal/web/admin_series.go
index cc92339..fd473bf 100644
--- a/backend/internal/web/admin_series.go
+++ b/backend/internal/web/admin_series.go
@@ -570,6 +570,8 @@ func (h *Handler) seriesListView(r *http.Request) (seriesListView, error) {
 	if err != nil {
 		return seriesListView{}, err
 	}
+	// A page past the end is not an empty list: the store's window count runs
+	// over the rows the result set carries, so an overflow page reports zero
 	// rows and zero total, and the list re-reads at page 1 to know the truth.
 	if len(data.Rows) == 0 && page > 1 {
 		page = 1