lsblk: add hint about perms to man page

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/lsblk.8 b/misc-utils/lsblk.8
index fac9c6425b092c4d538aa00994daf9faedb4fb65..dd2628b3a633aa568e703ae8e3af791d3d500d4d 100644 (file)
--- a/misc-utils/lsblk.8
+++ b/misc-utils/lsblk.8
@@ -13,7 +13,9 @@ command reads the
 .B sysfs
 filesystem and
 .B udev db
-to gather information.
+to gather information. If the udev db is not available or lsblk is compiled without udev support than it
+tries to read LABELs, UUIDs and filesystem types from the block device. In this case root permissions
+are necessary.
 .PP
 The command prints all block devices (except RAM disks) in a tree-like format
 by default.  Use