diff --git a/tutorials/Install-Rooted-OTA.md b/tutorials/Install-Rooted-OTA.md
index bd7953f..8f96fb1 100644
--- a/tutorials/Install-Rooted-OTA.md
+++ b/tutorials/Install-Rooted-OTA.md
@@ -2,7 +2,20 @@
 
 The installation of OTA updates often fails if the device has been rooted. Though it's still possible – without data loss. This guide shows how, using *TWRP* and *Magisk*.
 
-***Important:** Before you start **backup** everything that's important!*
+***IMPORTANT:** Before you start **backup** everything that's important!*
+
+-------------------------------------
+
+## Prerequisite
+
+1. The Update file of the version that's running on the device (*NOT* the update you want to install)
+1. [**TWRP**](https://twrp.me/) for your device
+1. [**Magisk**](https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445)
+1. *ADB* and *Fastboot* inclusive developer mode the device
+
+Don't forget to check the checksums of all files.
+
+Doing the update isn't that difficult: Reset some system partitions, install OTA, refresh *TWPR* and *Magisk*, done. There are two versions of this guide: The short version is just a list of steps, while the long version contains each step and the commands necessary.
 
 
 ## Short Version
@@ -20,3 +33,8 @@ The installation of OTA updates often fails if the device has been rooted. Thoug
 
 -------------------------------------
 
+## Long Version
+
+At first double check your backups and the prerequisites listed above. 
+
+