diff --git a/ip/ipmacsec.c b/ip/ipmacsec.c
index 6bd1f54f..c75e9d3c 100644
--- a/ip/ipmacsec.c
+++ b/ip/ipmacsec.c
@@ -95,7 +95,7 @@ static void ipmacsec_usage(void)
 	fprintf(stderr, "where  OPTS := [ pn <u32> ] [ on | off ]\n");
 	fprintf(stderr, "       ID   := 128-bit hex string\n");
 	fprintf(stderr, "       KEY  := 128-bit hex string\n");
-	fprintf(stderr, "       SCI  := { sci <u64> | port <u16> address <lladdr> }\n");
+	fprintf(stderr, "       SCI  := { sci <u64> | port { 1..2^16-1 } address <lladdr> }\n");
 
 	exit(-1);
 }
@@ -139,7 +139,7 @@ static int get_sci(__u64 *sci, const char *arg)
 
 static int get_port(__be16 *port, const char *arg)
 {
-	return get_be16(port, arg, 10);
+	return get_be16(port, arg, 0);
 }
 
 #define _STR(a) #a
@@ -1069,7 +1069,7 @@ static bool check_txsc_flags(bool es, bool scb, bool sci)
 static void usage(FILE *f)
 {
 	fprintf(f,
-		"Usage: ... macsec [ port PORT | sci SCI ]\n"
+		"Usage: ... macsec [ [ address <lladdr> ] port { 1..2^16-1 } | sci <u64> ]\n"
 		"                  [ cipher { default | gcm-aes-128 } ]\n"
 		"                  [ icvlen { 8..16 } ]\n"
 		"                  [ encrypt { on | off } ]\n"
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 58247ced..6fb5ad6c 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -952,7 +952,9 @@ For a link of type
 the following additional arguments are supported:
 
 .BI "ip link add link " DEVICE " name " NAME " type macsec"
-[
+[ [
+.BI address " <lladdr>"
+]
 .BI port " PORT"
 |
 .BI sci " SCI"
@@ -976,8 +978,14 @@ the following additional arguments are supported:
 
 .in +8
 .sp
-.BI  port " PORT "
-- sets the port number for this MACsec device.
+.BI address " <lladdr> "
+- sets the system identifier component of secure channel for this MACsec device.
+
+.sp
+.BI port " PORT "
+- sets the port number component of secure channel for this MACsec device, in a
+range from 1 to 65535 inclusive. Numbers with a leading " 0 " or " 0x " are
+interpreted as octal and hexadecimal, respectively.
 
 .sp
 .BI sci " SCI "
diff --git a/man/man8/ip-macsec.8 b/man/man8/ip-macsec.8
index 105aeecd..1aca3bdc 100644
--- a/man/man8/ip-macsec.8
+++ b/man/man8/ip-macsec.8
@@ -3,10 +3,12 @@
 ip-macsec \- MACsec device configuration
 .SH "SYNOPSIS"
 .BI "ip link add link " DEVICE " name " NAME " type macsec "
-[
+[ [
+.BI address " <lladdr>"
+]
 .BI port " PORT"
 |
-.BI sci  " SCI"
+.BI sci " <u64>"
 ] [
 .BR cipher " { " default " | " gcm-aes-128 " } ] ["
 .BI icvlen " ICVLEN"
@@ -62,8 +64,12 @@ ip-macsec \- MACsec device configuration
 .IR SCI " := { "
 .B sci
 .IR <u64> " | "
-.BI port " <u16> " address " <lladdr> "
+.BI port
+.IR PORT
+.BI address " <lladdr> "
 }
+.br
+.IR PORT " := { " 1..2^16-1 " } "
 
 
 .SH DESCRIPTION