Wipefs: improve --all descriptions for whole-disks

Addresses: https://github.com/util-linux/util-linux/issues/3544
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/wipefs.8.adoc b/misc-utils/wipefs.8.adoc
index 5226ea8b4bb5acc62088068e4d6e4398b5c50e9e..7e75c7bbaf7b503f717ede8a0c9966c6b2eb777d 100644 (file)
--- a/misc-utils/wipefs.8.adoc
+++ b/misc-utils/wipefs.8.adoc
@@ -38,7 +38,10 @@ Note that by default *wipefs* does not erase nested partition tables on non-whol
 == OPTIONS
 
 *-a*, *--all*::
-Erase all available signatures. The set of erased signatures can be restricted with the *-t* option.
+Erase all available signatures. The set of erased signatures can be restricted
+with the *-t* option.  When performed on a partitioned whole-disk device like
+/dev/sdX, it will erase only the partition tables, not the content of the
+partitions.
 
 *-b*, *--backup*[**=**_dir_]::
 Create a signature backup to the file _wipefs-<devname>-<offset>.bak_ in _$HOME_ or the directory specified as the optional argument. For more details see the *EXAMPLE* section.