diff --git a/share/man/man5/disktab.5 b/share/man/man5/disktab.5
index cf33790c5d9..212c8199e13 100644
--- a/share/man/man5/disktab.5
+++ b/share/man/man5/disktab.5
@@ -73,7 +73,7 @@ floppy)
 .It "\&ns	num	Number of sectors per track"
 .It "\&nt	num	Number of tracks per cylinder"
 .It "\&nc	num	Total number of cylinders on the disk"
-.It "\&sc	num	Number of sectors per cylinder, nc*nt default"
+.It "\&sc	num	Number of sectors per cylinder, ns*nt default"
 .It "\&su	num	Number of sectors per unit, sc*nc default"
 .It "\&se	num	Sector size in bytes,"
 .Dv DEV_BSIZE