diff --git a/doc/02-installation.md b/doc/02-installation.md
index 3f1464dc9..b6e05a19e 100644
--- a/doc/02-installation.md
+++ b/doc/02-installation.md
@@ -1,4 +1,4 @@
-# Getting Started <a id="getting-started"></a>
+# Installation <a id="installation"></a>
 
 This tutorial is a step-by-step introduction to installing [Icinga 2](02-installation.md#setting-up-icinga2)
 and [Icinga Web 2](02-installation.md#setting-up-icingaweb2).
@@ -104,7 +104,7 @@ apt-get update
 
 > **Note**:
 >
-> This repository is required since v2.11.
+> This repository is required for Debian Stretch since v2.11.
 
 Debian Stretch:
 
diff --git a/doc/04-configuration.md b/doc/04-configuration.md
index 61cce04c1..077807daf 100644
--- a/doc/04-configuration.md
+++ b/doc/04-configuration.md
@@ -1,4 +1,4 @@
-# Configuring Icinga 2: First Steps <a id="configuring-icinga2-first-steps"></a>
+# Configuration: First Steps <a id="configuration-first-steps"></a>
 
 This chapter provides an introduction into best practices for your Icinga 2 configuration.
 The configuration files which are automatically created when installing the Icinga 2 packages