From ec6fc33d13b1aeea5d049bbac842521e4761cec7 Mon Sep 17 00:00:00 2001
From: fengyingcai <fengyc.work@gmail.com>
Date: Wed, 15 Jun 2022 00:02:42 +0800
Subject: [PATCH] docs: update doc

---
 CHANGELOG.md | 12 +++++++++---
 Cargo.toml   |  2 +-
 README.md    |  2 +-
 src/lib.rs   | 13 +++++++++----
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bed002c..1bbbd40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,17 @@
-# v0.9.0
+# CHANGELOG
+
+## v0.9.1
+
+1. Update docs
+
+## v0.9.0
 
 1. Stable release
 
-# v0.0.2
+## v0.0.2
 
 1. Update docs
 
-# v0.0.1
+## v0.0.1
 
 1. First release
diff --git a/Cargo.toml b/Cargo.toml
index 474ec17..5d45a9b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wol-rs"
-version = "0.9.0"
+version = "0.9.1"
 edition = "2021"
 authors = ["fengyingcai <fengyc.work@gmail.com>"]
 description = "Wake-on-LAN utility"
diff --git a/README.md b/README.md
index 11a4b75..a1ad50c 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Add `wol-rs` to `Cargo.toml`
     [dependencies]
     wol-rs = "1"
 
-Send a WoL magic packet
+Send a WoL magic packet over UDP
 
     send_wol(<dest_mac>, None, None).unwrap()
 
diff --git a/src/lib.rs b/src/lib.rs
index 73f29a3..99de0ab 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,9 +3,14 @@ use std::io;
 use std::net::{IpAddr, UdpSocket};
 use std::str::FromStr;
 
-pub const MAC_ADDR_SIZE: usize = 6;
-pub const BIND_PORT: u16 = 0;
-pub const WOL_PORT: u16 = 9;
+/// Mac address size of bytes
+const MAC_ADDR_SIZE: usize = 6;
+
+/// Bind port, 0 means assigned by os
+const BIND_PORT: u16 = 0;
+
+/// WoL port could be 0/7/9， use 9 here
+const WOL_PORT: u16 = 9;
 
 /// Mac address.
 ///
@@ -58,7 +63,7 @@ impl FromStr for MacAddr {
     }
 }
 
-/// Send a WoL magic packet.
+/// Send a WoL magic packet over UDP.
 ///
 /// # Arguments
 ///