From ec1977017d86612eec76eb0a71194aa5e8940ba8 Mon Sep 17 00:00:00 2001
From: Vincent Batts <vbatts@hashbangbash.com>
Date: Wed, 16 Mar 2016 16:11:06 -0400
Subject: [PATCH] cksum: comment

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
---
 cksum.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cksum.go b/cksum.go
index 203916e..2247cac 100644
--- a/cksum.go
+++ b/cksum.go
@@ -7,6 +7,7 @@ import (
 
 const posixPolynomial uint32 = 0x04C11DB7
 
+// cksum is an implementation of the POSIX CRC algorithm
 func cksum(r io.Reader) (uint32, int, error) {
 	in := bufio.NewReader(r)
 	count := 0