Fix Done! spacing site-wide, and EN-only content errors (Docker/Linux mixup, missing spaces, ProloNAS pun explanation)

content/en/3.serveex/4.monitoring/2.dozzle.md

@@ -101,7 +101,7 @@ DOMAIN=dozzle.mydomain.com
 
 Deploy the container. Go to `http://yourserverip:9135`. Voilà, your Dozzle web UI is up and running!
 
-### Done !
+### Done!
 ::
 
 ## Exposing Dozzle with Swag
@@ -214,7 +214,7 @@ server {
 
 Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ctrl+X"} to exit.
 
-### Done !
+### Done!
 ::
 
 And there you go, Dozzle is now exposed!