Fix typos in man/

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9233

man/man5/vdev_id.conf.5

@@ -41,7 +41,7 @@ disk enclosure).
 .TP
 \fIenclosure_symlinks\fR <yes|no>
 Additionally create /dev/by-enclosure symlinks to the disk enclosure
-sg devices using the naming scheme from from vdev_id.conf.
+sg devices using the naming scheme from vdev_id.conf.
 \fIenclosure_symlinks\fR is only allowed for sas_direct mode.
 .TP
 \fIenclosure_symlinks_prefix\fR <prefix>

man/man5/zfs-events.5

@@ -557,7 +557,7 @@ How many write errors that have been detected on the vdev.
 \fBvdev_cksum_errors\fR
 .ad
 .RS 12n
-How many checkum errors that have been detected on the vdev.
+How many checksum errors that have been detected on the vdev.
 .RE
 
 .sp
@@ -858,7 +858,7 @@ such as IDE or parallel SCSI.
 .RS 12n
 If this field exists, it is an array of counters. Each entry counts bit clears
 in a particular bit of a big-endian uint64 type. The first entry counts bits
-clears of the the high-order bit of the first byte, the 9th byte, etc, and the
+clears of the high-order bit of the first byte, the 9th byte, etc, and the
 last entry counts clears of the low-order bit of the 8th byte, the 16th byte,
 etc. This information is useful for observing a stuck bit in a parallel data
 path, such as IDE or parallel SCSI.

man/man5/zfs-module-parameters.5

@@ -936,7 +936,7 @@ Default value: \fB0\fR.
 .ad
 .RS 12n
 Minimum time "prescient prefetched" blocks are locked in the ARC, specified
-in ms. These blocks are meant to be prefetched fairly aggresively ahead of
+in ms. These blocks are meant to be prefetched fairly aggressively ahead of
 the code that may use them. A value of \fB0\fR will default to 6000 ms.
 .sp
 Default value: \fB0\fR.
@@ -2701,7 +2701,7 @@ Default value: \fB20\fR which is 5% of RAM (1/20).
 .ad
 .RS 12n
 The fraction of the hard limit used to determined the soft limit for I/O sorting
-by the sequential scan algorithm. When we cross this limit from bellow no action
+by the sequential scan algorithm. When we cross this limit from below no action
 is taken. When we cross this limit from above it is because we are issuing
 verification I/O. In this case (unless the metadata scan is done) we stop
 issuing verification I/O and start scanning metadata again until we get to the

man/man5/zpool-features.5

@@ -248,7 +248,7 @@ DEPENDENCIES	bookmark, extensible_dataset, bookmark_v2
 .TE
 
 This feature enables additional bookmark accounting fields, enabling the
-written#<bookmark> prperty (space written since a bookmark) and estimates of
+written#<bookmark> property (space written since a bookmark) and estimates of
 send stream sizes for incrementals from bookmarks.
 
 This feature becomes \fBactive\fR when a bookmark is created and will be