diff --git a/installation.md b/installation.md
index ad29954..4b7dafd 100644
--- a/installation.md
+++ b/installation.md
@@ -10,28 +10,37 @@ key.
 Linux
 -----
 
+There are package repositories for most distributions at https://repository.mrw.sh.
+
 ### Ubuntu and Debian
 
-Simply use the package repository, then you can install all software
-using your package manager (`apt`):
+To accept my signature, install my key:
 
-        sudo apt-get install -y wget software-properties-common apt-transport-https
-        sudo apt-add-repository https://repository.mrw.sh
         wget -O- https://repository.mrw.sh/PublicKey \
             | sudo apt-key add -
+
+You can install all software using your package manager (`apt`), first install the repository:
+
+        sudo apt-get install -y wget software-properties-common apt-transport-https
+        sudo apt-add-repository https://repository.mrw.sh
         sudo apt-get update -y
 
-Then you can install the project you wish, e.g. `webtester`:
+Then you can install any project you wish, e.g. `[webtester]`:
 
         sudo apt-get install webtester -y
 
 ### OpenSUSE
 
+To accept my signature, install my key:
+
+        wget https://repository.mrw.sh/PublicKey
+        rpm --import PublicKey
+
 You can use your packagemanager (`zypper` or _YaST_). First install the repostitory:
 
         zypper ar https://repository.mrw.sh/opensuse/marc-waeckerlin.repo
 
-Then install packages from the repository, e.g. `webtester`:
+Then install packages from the repository, e.g. `[webtester]`:
 
         zypper install webtester
 
@@ -41,12 +50,17 @@ https://drepository.mrw.sh/opensuse
 
 ### Fedora
 
+To accept my signature, install my key:
+
+        wget https://repository.mrw.sh/PublicKey
+        rpm --import PublicKey
+
 You can use your packagemanager (`dnf`). First install the repository:
 
         dnf install 'dnf-command(config-manager)'
         dnf config-manager --add-repo https://repository.mrw.sh/fedora/marc-waeckerlin.repo
 
-Then install packages from the repository, e.g. `webtester`:
+Then install packages from the repository, e.g. `[webtester]`:
 
         dnf install webtester
 
@@ -54,12 +68,17 @@ In case of trouble: Check if your version of Fedora is supported, use `lsb_relea
 
 ### CentOS
 
+To accept my signature, install my key:
+
+        wget https://repository.mrw.sh/PublicKey
+        rpm --import PublicKey
+
 You can use your packagemanager (`yum`). First install the repository:
 
         yum install wget
         wget -O/etc/yum.repos.d/marc-waeckerlin.repo https://repository.mrw.sh/centos/marc-waeckerlin.repo
 
-Then install packages from the repository, e.g. `webtester`:
+Then install packages from the repository, e.g. `[webtester]`:
 
         yum install webtester
 
@@ -67,12 +86,19 @@ In case of trouble: Check if your version of CentOS is supported, use lsb_releas
 
 ### Mageia
 
-To be defined, get packages from: https://repository.mrw.sh/mageia
+To accept my signature, install my key:
+
+        wget https://repository.mrw.sh/PublicKey
+        rpm --import PublicKey
+
+You can use your packagemanager (`dnf`). First install the repository:
+
+        dnf install 'dnf-command(config-manager)'
+        dnf config-manager --add-repo https://repository.mrw.sh/mageia/marc-waeckerlin.repo
 
-Currently build fails due to corrupt mirrors:
+Then install packages from the repository, e.g. `[webtester]`:
 
-        Installation failed, bad rpms:
-        http://mirrors.ustc.edu.cn/mageia/distrib/5/x86_64/media/core/updates/glibc-2.20-23.mga5.x86_64.rpm
+        dnf install webtester
 
 ### Other Linux Distributions
 
@@ -109,3 +135,6 @@ Then untar the package and use the common commands, e.g. for version `1.0.2` of
         ./configure
         make
         sudo make install
+
+
+[webtester]: https://mrw.sh/development/webtester Webtester is a tool to test websites, running in GUI or in batch.
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