diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5
index 0c45dcf8c0..cca583de98 100644
--- a/man/man5/zfs-module-parameters.5
+++ b/man/man5/zfs-module-parameters.5
@@ -887,7 +887,7 @@ time, and will be ignored if \fBzfs_dirty_data_max\fR is later changed.
 The parameter \fBzfs_dirty_data_max_max\fR takes precedence over this
 one. See the section "ZFS TRANSACTION DELAY".
 .sp
-Default value: \fN25\fR.
+Default value: \fB25\fR.
 .RE
 
 .sp
diff --git a/man/man8/zfs.8 b/man/man8/zfs.8
index 9c179d7a7a..6417ee7711 100644
--- a/man/man8/zfs.8
+++ b/man/man8/zfs.8
@@ -118,7 +118,7 @@ zfs \- configures ZFS file systems
 
 .LP
 .nf
-\fBzfs\fR \fBinherit\fR [\fB-rS\fR] \fIproperty\fR \fIfilesystem\fR|\fIvolume|snapshot\fR ...
+\fBzfs\fR \fBinherit\fR [\fB-rS\fR] \fIproperty\fR \fIfilesystem\fR|\fIvolume\fR|\fIsnapshot\fR ...
 .fi
 
 .LP
@@ -267,7 +267,7 @@ zfs \- configures ZFS file systems
 
 .LP
 .nf
-\fBzfs\fR \fBdiff\fR [\fB-FHt\fR] \fIsnapshot\fR \fIsnapshot|filesystem\fR
+\fBzfs\fR \fBdiff\fR [\fB-FHt\fR] \fIsnapshot\fR \fIsnapshot\fR|\fIfilesystem\fR
 
 .SH DESCRIPTION
 .LP
@@ -3341,7 +3341,7 @@ Recursively releases a hold with the given tag on the snapshots of all descenden
 .sp
 .ne 2
 .na
-\fB\fBzfs diff\fR [\fB-FHt\fR] \fIsnapshot\fR \fIsnapshot|filesystem\fR
+\fB\fBzfs diff\fR [\fB-FHt\fR] \fIsnapshot\fR \fIsnapshot\fR|\fIfilesystem\fR
 .ad
 .sp .6
 .RS 4n
diff --git a/man/man8/zpool.8 b/man/man8/zpool.8
index 883d117397..d8e33d6f2a 100644
--- a/man/man8/zpool.8
+++ b/man/man8/zpool.8
@@ -643,7 +643,7 @@ Identifies the default bootable dataset for the root pool. This property is expe
 .sp
 .ne 2
 .na
-\fB\fBcachefile\fR=fBnone\fR | \fIpath\fR\fR
+\fB\fBcachefile\fR=\fBnone\fR | \fIpath\fR\fR
 .ad
 .sp .6
 .RS 4n