diff --git a/wiki/linux/voicechat.md b/wiki/linux/audio.md
similarity index 64%
rename from wiki/linux/voicechat.md
rename to wiki/linux/audio.md
index 2dfd325..4ec559d 100644
--- a/wiki/linux/voicechat.md
+++ b/wiki/linux/audio.md
@@ -1,9 +1,10 @@
-# Voicechat
+# Audio
 
-There is various software to use to chat with other persons.
+Audio is an important point in a linux desktop environment
 
 ## Noise cancellation
 
 Noise cancellation can be achieved by installing
 [Noisetorch](https://github.com/lawl/NoiseTorch).
+This works for `pulseaudio` and `pipewire`.
 After the installation modify the `Voice Activation Threshhold` to your needs.
diff --git a/wiki/linux/ssh.md b/wiki/linux/ssh.md
index 30920cf..57143a7 100644
--- a/wiki/linux/ssh.md
+++ b/wiki/linux/ssh.md
@@ -1,6 +1,7 @@
 # SSH
 
 SSH is a network protocoll to securely connect to a computer.
+In this article it is assumed that `openssh` is used.
 
 ## Generate new keys
 
@@ -17,3 +18,8 @@ to `PermitRootLogin yes`.
 To enable easy login without password you can add the contents of the file
 `~/.ssh/id_rsa.pub` from your local machine to the file `~/.ssh/authorized_keys`
 on the machine you want to log into.
+You can use the modified command below for ease of use:
+
+```shell
+cat ~/.ssh/id_rsa.pub | ssh username@server 'cat >> ~/.ssh/authorized_keys'
+```