diff --git a/installation.md b/installation.md
index 5877cd8..06b7b9c 100644
--- a/installation.md
+++ b/installation.md
@@ -1,8 +1,6 @@
 ---
 title: Installation
 ---
-
-
 # Installation
 
 This page explains the different ways how to install the modpack on client or on server.
@@ -37,9 +35,10 @@ This follows the steps for PrismLauncher as example. You might need to adjust th
 
 #### Minecraft Modpack Updater
 
-Follow the instructions of the handbook. Use the following values.
+Follow the instructions of the [official handbook](https://git.pilzinsel64.de/pilzinsel64/minecraft-modpack-updater/-/wikis/User-manual). Use the following values.
 
-- Modpack config: `https://git.pilzinsel64.de/litw-refined/modpack/-/snippets/6/raw/main/info.json`
+- **Modpack config:** `https://git.pilzinsel64.de/litw-refined/modpack/-/snippets/6/raw/main/info.json`
+- **Installation key:** *Enter the installation key you got from your server administrator, if you got one.*
 
 #### Pre-packaged packages
 
@@ -53,7 +52,7 @@ Alternatively can download the pre-packaged packages from [this link](https://cl
 
 Follow the instructions of the handbook. Use the following values.
 
-- Modpack config: `https://git.pilzinsel64.de/litw-refined/modpack/-/snippets/6/raw/main/info.json`
+- **Modpack config:** `https://git.pilzinsel64.de/litw-refined/modpack/-/snippets/6/raw/main/info.json`
 
 #### Pre-packaged packages