diff --git a/disk-utils/fdisk.8 b/disk-utils/fdisk.8
index 1706b928f..91c6b6f84 100644
--- a/disk-utils/fdisk.8
+++ b/disk-utils/fdisk.8
@@ -120,6 +120,17 @@ partition tables.) A reasonable value is 63.
 
 .TP
 \fB\-w\fR, \fB\-\-wipe\fR \fIwhen\fR
+Wipe filesystem, RAID and partition-table signatures from the device, in order
+to avoid possible collisions.  The argument \fIwhen\fR can be \fBauto\fR,
+\fBnever\fR or \fBalways\fR.  When this option is not given, the default is
+\fBauto\fR, in which case signatures are wiped only when in interactive mode.
+In all cases detected signatures are reported by warning messages
+before a new partition table is created.  See also
+.BR wipefs (8)
+command.
+
+.TP
+\fB\-W\fR, \fB\-\-wipe-partition\fR \fIwhen\fR
 Wipe filesystem, RAID and partition-table signatures from a newly created
 partitions, in order to avoid possible collisions.  The argument \fIwhen\fR can
 be \fBauto\fR, \fBnever\fR or \fBalways\fR.  When this option is not given, the