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-rw-r--r--sys-utils/umount.86
1 files changed, 6 insertions, 0 deletions
diff --git a/sys-utils/umount.8 b/sys-utils/umount.8
index 2155f2ba5..ac22c879d 100644
--- a/sys-utils/umount.8
+++ b/sys-utils/umount.8
@@ -138,6 +138,12 @@ More than one type may be specified in a comma-separated list. The list
of filesystem types can be prefixed with
.B no
to indicate that no action should be taken for all of the mentioned types.
+.BR
+Note that
+.B umount
+reads information about mounted filesystems from kernel (/proc/mounts) and
+filesystem names may be different than filesystem names used in the /etc/fstab
+(e.g. "nfs4" vs. "nfs").
.TP
.BR \-v , " \-\-verbose"
Verbose mode.