diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5
index b1359486ea..1b1a0d56a3 100644
--- a/man/man5/zfs-module-parameters.5
+++ b/man/man5/zfs-module-parameters.5
@@ -809,9 +809,20 @@ Default value: \fB1,048,576\fR.
 \fBzfetch_max_distance\fR (uint)
 .ad
 .RS 12n
-Max bytes to prefetch per stream (default 8MB).
+Max bytes to prefetch per stream.
 .sp
-Default value: \fB8,388,608\fR.
+Default value: \fB8,388,608\fR (8MB).
+.RE
+
+.sp
+.ne 2
+.na
+\fBzfetch_max_idistance\fR (uint)
+.ad
+.RS 12n
+Max bytes to prefetch indirects for per stream.
+.sp
+Default vaule: \fB67,108,864\fR (64MB).
 .RE
 
 .sp
diff --git a/module/os/freebsd/zfs/sysctl_os.c b/module/os/freebsd/zfs/sysctl_os.c
index c9b350a540..1b37ce0d7f 100644
--- a/module/os/freebsd/zfs/sysctl_os.c
+++ b/module/os/freebsd/zfs/sysctl_os.c
@@ -300,8 +300,9 @@ SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, max_distance, CTLFLAG_RWTUN,
 
 /* max bytes to prefetch indirects for per stream (default 64MB) */
 extern uint32_t	zfetch_max_idistance;
-SYSCTL_UINT(_vfs_zfs_prefetch, OID_AUTO, max_idistance, CTLFLAG_RWTUN,
-    &zfetch_max_idistance, 0, "Max bytes to prefetch indirects for per stream");
+SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, max_idistance, CTLFLAG_RWTUN,
+    &zfetch_max_idistance, 0,
+    "Max bytes to prefetch indirects for per stream (LEGACY)");
 
 /* dsl_pool.c */
 
diff --git a/module/zfs/dmu_zfetch.c b/module/zfs/dmu_zfetch.c
index 5935b5f995..4d86863f30 100644
--- a/module/zfs/dmu_zfetch.c
+++ b/module/zfs/dmu_zfetch.c
@@ -377,7 +377,10 @@ ZFS_MODULE_PARAM(zfs_prefetch, zfetch_, min_sec_reap, UINT, ZMOD_RW,
 	"Min time before stream reclaim");
 
 ZFS_MODULE_PARAM(zfs_prefetch, zfetch_, max_distance, UINT, ZMOD_RW,
-	"Max bytes to prefetch per stream (default 8MB)");
+	"Max bytes to prefetch per stream");
+
+ZFS_MODULE_PARAM(zfs_prefetch, zfetch_, max_idistance, UINT, ZMOD_RW,
+	"Max bytes to prefetch indirects for per stream");
 
 ZFS_MODULE_PARAM(zfs_prefetch, zfetch_, array_rd_sz, ULONG, ZMOD_RW,
 	"Number of bytes in a array_read");