Update 'content/instant-messaging/server-support-for-audio-video-calls.md'

content/instant-messaging/server-support-for-audio-video-calls.md

@@ -53,7 +53,7 @@ Then download the configuration by [the homebrewserver.club](https://homebrewser
 The file looks like this:
 
     :::c
-    ## Minimal version of /etc/tunserver.conf 
+    ## Minimal version of /etc/turnserver.conf 
     ## For more options and info see the original /etc/turnserver.conf.bak
 
     # Which porst to listen on, make sure the corresponding ports are accepting UDP connections on your firewall
@@ -128,7 +128,7 @@ Then edit your prosody config in `/etc/prosody/prosody.cfg.lua`:
 
 First add `turncredentials` to the `modules_enabled` section.  
 
-Then, before the 'Virtual Hosts' section add:
+Then, before the 'Virtual Hosts' section, add:
 
     :::console
     turncredentials_host = "myserver.org"
@@ -148,8 +148,8 @@ Restart `prosody`
     :::console
     $ /etc/init.d/prosody restart
 
-Finally to check if it works you can add check your server with the web-based [Conversations Compliance tester](https://compliance.conversations.im/) 
+Finally to see if it works, you can check your server with the web-based [Conversations Compliance tester](https://compliance.conversations.im/) 
 
 Thanks & Acknowledgements
 ---
-Thanks to the [example config of Wiktor Kwapisiewicz](https://github.com/wiktor-k/coturn) and the [Prosody documentation](https://prosody.im/doc/coturn)
+Based on [example config by Wiktor Kwapisiewicz](https://github.com/wiktor-k/coturn), [notes by Daniel Gultsch](https://gist.github.com/iNPUTmice/a28c438d9bbf3f4a3d4c663ffaa224d9) and the [Prosody documentation](https://prosody.im/doc/coturn)