diff --git a/share/man/man4/ata.4 b/share/man/man4/ata.4
index 0340272f71cd..5868c8b36bf5 100644
--- a/share/man/man4/ata.4
+++ b/share/man/man4/ata.4
@@ -139,6 +139,8 @@ Ultra DMA 33 (UDMA2), 33 MB/sec
 Ultra DMA 33 (UDMA2), 33 MB/sec
 .It VIA 82C586
 Ultra DMA 33 (UDMA2), 33 MB/sec
+.It VIA 82C596
+Ultra DMA 66 (UDMA4), 66 MB/sec (depending on model, max stated at boot)
 .It VIA 82C686a
 Ultra DMA 66 (UDMA4), 66 MB/sec
 .It VIA 82C686b