diff --git a/README.md b/README.md
index ab2b618f79aa02a43bb3461560657c2ec3a3fdac..7a0664bddb19d07fb28680c56a5785669ccaf671 100644
--- a/README.md
+++ b/README.md
@@ -24,21 +24,17 @@ GRUB is managing kernel parameters.
 
 - What does this package do for you
 
-1. Provide a tool to modify the generated `/boot/grub/grub.cfg`. 
-2. Add a post-transaction hook after `grub-mkconfig`, to automatically run that tool for you. 
-
-This package will do NOTHING if you skipped the configuration.
+Modify `/usr/bin/grub-mkconfig` and add a post-transaction hook after `grub-mkconfig`, to automatically modify /boot/grub/grub.cfg for you. 
 
 - What should you do
 
-1. Modify `/etc/default/grub`, to set `GRUB_CMDLINE_LINUX_DEFAULT="__KERNEL_PARAMETER_MANAGED_BY_HELPER"`. 
-2. Modify file `/etc/shared-bootdir-helper-multi-kparam.cfg`, to set kernel parameters for each hostname. 
+Modify file `/etc/shared-bootdir-helper-multi-kparam.cfg`, to set kernel parameters for each hostname. 
 
 ## Usage
 
 Firstly, install this package. 
 
-Secondly, if you only want to solve problem 1, you do nothing in this step. If you want to solve problem 2, follow the "What should you do" guide in Problem2. 
+Secondly, modify `/etc/shared-bootdir-helper-multi-kparam.cfg` to solve problem 2. 
 
 Thirdly, you must re-install your kernel. You may want to run `pacman -S linux`, `pacman -S linux-lts`, `pacman -S linux-surface`, or something like this. 
 
diff --git a/aur/PKGBUILD b/aur/PKGBUILD
index 7fbc40d459e87ca7b70e4166e900396c6956b390..cb0020f71770bfa0989805f28b4b3bb7ca57b996 100644
--- a/aur/PKGBUILD
+++ b/aur/PKGBUILD
@@ -4,7 +4,7 @@
 
 pkgname=shared-bootdir-helper
 pkgver=1.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Allow multiple linux installations to share the same /boot directory, even with different kernel parameters. "
 url="https://git.recolic.net/root/$pkgname"
 license=("GPL3")
diff --git a/aur/shared-bootdir-helper.install b/aur/shared-bootdir-helper.install
index ae995ad087b71308013c8a62bffae7179320eada..77a9fdabf4c356311f8eb84ffafedcbb6ac4b862 100644
--- a/aur/shared-bootdir-helper.install
+++ b/aur/shared-bootdir-helper.install
@@ -10,6 +10,9 @@ post_install() {
     echo "  you need to use the tool 'shared-bootdir-helper-multi-kparam'. "
     echo "  You MUST read https://git.recolic.net/root/shared-bootdir-helper in this case. "
     echo "**********************************************************************************************"
+
+    echo '' >> /usr/bin/grub-mkconfig
+    echo '[ -f /usr/bin/shared-bootdir-helper-multi-kparam.sh ] && echo "Executing addon: /usr/bin/shared-bootdir-helper-multi-kparam.sh $grub_cfg" && /usr/bin/shared-bootdir-helper-multi-kparam.sh "$grub_cfg" && exit $?' >> /usr/bin/grub-mkconfig
 }