diff --git a/doc/filters.texi b/doc/filters.texi
index 9b6e6ffd80..c4360fa70b 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13196,6 +13196,8 @@ It accepts the following values:
 @item bhann
 @item sine
 @item nuttall
+@item lanczos
+@item gauss
 @end table
 Default is @code{hanning}.