diff --git a/man/man8/ext4dist.8 b/man/man8/ext4dist.8
index 0cba12f452cc..61ecb7275971 100644
--- a/man/man8/ext4dist.8
+++ b/man/man8/ext4dist.8
@@ -2,7 +2,7 @@
 .SH NAME
 ext4dist \- Summarize ext4 operation latency. Uses Linux eBPF/bcc.
 .SH SYNOPSIS
-.B ext4dist [\-h] [\-T] [\-N] [\-d] [interval] [count]
+.B ext4dist [\-h] [\-T] [\-m] [\-p PID] [interval] [count]
 .SH DESCRIPTION
 This tool summarizes time (latency) spent in common ext4 file operations: reads,
 writes, opens, and syncs, and presents it as a power-of-2 histogram. It uses an
diff --git a/man/man8/xfsdist.8 b/man/man8/xfsdist.8
index 12de64372b4e..3c8900071cd5 100644
--- a/man/man8/xfsdist.8
+++ b/man/man8/xfsdist.8
@@ -2,7 +2,7 @@
 .SH NAME
 xfsdist \- Summarize XFS operation latency. Uses Linux eBPF/bcc.
 .SH SYNOPSIS
-.B xfsdist [\-h] [\-T] [\-N] [\-d] [interval] [count]
+.B xfsdist [\-h] [\-T] [\-m] [\-p PID] [interval] [count]
 .SH DESCRIPTION
 This tool summarizes time (latency) spent in common XFS file operations: reads,
 writes, opens, and syncs, and presents it as a power-of-2 histogram. It uses an
diff --git a/man/man8/zfsdist.8 b/man/man8/zfsdist.8
index 5532d8cfcdbf..1e5632fd7269 100644
--- a/man/man8/zfsdist.8
+++ b/man/man8/zfsdist.8
@@ -2,7 +2,7 @@
 .SH NAME
 zfsdist \- Summarize ZFS operation latency. Uses Linux eBPF/bcc.
 .SH SYNOPSIS
-.B zfsdist [\-h] [\-T] [\-N] [\-d] [interval] [count]
+.B zfsdist [\-h] [\-T] [\-m] [\-p PID] [interval] [count]
 .SH DESCRIPTION
 This tool summarizes time (latency) spent in common ZFS file operations: reads,
 writes, opens, and syncs, and presents it as a power-of-2 histogram. It uses an