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

content/en/3.serveex/7.files/2.pingvin.md

@@ -66,7 +66,7 @@ From here on, we assume the network name for Swag is `swag_default`.
 
 Deploy the container and go to `http://yourserverip:3600`. That's it! Your Pingvin web UI instance is up and running!
 
-### Done !
+### Done!
 ::
 
 ::caution
@@ -179,7 +179,7 @@ server {
 
 Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ctrl+X"} to exit.
 
-### Done !
+### Done!
 ::
 
 That's it, you've exposed Pingvin!
@@ -206,7 +206,7 @@ In Pingvin, go to _Administration > Configuration > Social Login_ and fill in:
 | Discovery URI | Pocket ID's OIDC discovery URL |
 | Scope | `openid email profile groups` |
 
-### Done !
+### Done!
 ::
 
 That's it! From now on, when you log in to Pingvin, an "Open ID" button will be available below the login form.
@@ -247,7 +247,7 @@ Leave Authentik, and go to Pingvin's admin interface. In the _"OAuth"_ section,
 - `OpenID client ID` with the ID you copied in step 2.
 - `OpenID client secret` with the token you copied in step 2.
 
-#### Done !
+#### Done!
 ::
 
 :::