diff --git a/.SRCINFO b/.SRCINFO
index 0c427fd..8e9ad8a 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,11 +1,9 @@
-# Generated by makepkg 5.1.3
-# Thu Mar 21 11:36:16 UTC 2019
 pkgbase = amiitool
 	pkgdesc = Reverse-engineered amiibo cryptography
 	pkgver = 2
-	pkgrel = 1
+	pkgrel = 2
 	url = https://github.com/socram8888/amiitool
-	arch = any
+	arch = x86_64
 	license = MIT
 	makedepends = git
 	makedepends = mbedtls
diff --git a/PKGBUILD b/PKGBUILD
index b29c1e3..392d819 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,11 +1,12 @@
-# Contributor: TBK <aur@jjtc.eu>
-# Maintainer: TBK <aur@jjtc.eu>
+# Maintainer: TBK <aur at jjtc dot eu>
+# Contributor: TBK <aur at jjtc dot eu>
+
 pkgname=amiitool
 pkgver=2
-pkgrel=1
+pkgrel=2
 pkgdesc='Reverse-engineered amiibo cryptography'
 url='https://github.com/socram8888/amiitool'
-arch=('any')
+arch=('x86_64')
 license=('MIT')
 makedepends=('git' 'mbedtls') # git is used to pull head version
 source=("$pkgname-r$pkgver.tar.gz::https://github.com/socram8888/amiitool/archive/r$pkgver.tar.gz"
diff --git a/README.md b/README.md
index a35e373..5a6246d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,17 @@
 # amiitool
-Arch User Repository amiitool 
+Arch User Repository amiitool
+
+## Update package
+
+* Update package version in PKGBUILD
+* Generate new checksums with
+
+```$ updpkgsums```
+
+* Test install
+
+```$ makepkg -si```
+
+* Update .SRCINFO 
+
+```$ makepkg --printsrcinfo > .SRCINFO```