From 69e319a5baf39f4ecb35f44ade0fb875b6c6e49b Mon Sep 17 00:00:00 2001
From: Valentin Kiselev <mrexox@evilmartians.com>
Date: Mon, 22 Jul 2024 19:13:29 +0300
Subject: [PATCH] chore: add package description

---
 internal/upgrader/upgrader.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/upgrader/upgrader.go b/internal/upgrader/upgrader.go
index 11eae89e..686efc0c 100644
--- a/internal/upgrader/upgrader.go
+++ b/internal/upgrader/upgrader.go
@@ -1,3 +1,4 @@
+// Package upgrader contains the auto-upgrade implementation for the lefthook executable.
 package upgrader
 
 import (
@@ -31,7 +32,7 @@ const (
 
 var (
 	errNoAsset        = errors.New("Couldn't find an asset to download. Please submit an issue to https://github.com/evilmartians/lefthook")
-	errInvalidHashsum = errors.New("SHA256 sum differs")
+	errInvalidHashsum = errors.New("SHA256 sums differ, it's not safe to use the downloaded binary.\nIf you have problems upgrading lefthook please submit an issue to https://github.com/evilmartians/lefthook")
 
 	osNames = map[string]string{
 		"windows": "Windows",