Remove decorative dashes and fix two broken admonitions

content/en/3.serveex/9.apps/1.adguard.md

@@ -38,7 +38,6 @@ This is how ads and malicious domains are blocked—Adguard blocks only the bad
 ![Picture](/img/serveex/adguard.svg)
 
 ## Installation
----
 Folder structure:
 
 ```sh
@@ -101,7 +100,6 @@ Go to `http://yourserverip:3000` and follow the setup instructions.
 That’s it! Adguard is deployed.
 
 ## Exposing AdGuard with SWAG
----
 To make AdGuard usable from outside your home network, you need to expose it.
 
 ::note
@@ -242,7 +240,6 @@ Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ct
 And that's it! AdGuard is now exposed!
 
 ## Configure SSL/TLS Encryption
----
 Encryption is essential if you want to keep your queries to AdGuard private. Encrypting your queries ensures that no one—not even your ISP—can see your history. It also ensures that only your server can respond to you.
 
 To configure encryption:
@@ -261,7 +258,6 @@ To configure encryption:
 Done! Your future DNS queries are now protected!
 
 ## Configure Devices
----
 You have several options (which you can combine) to configure your devices.
 ### Secure the Local Network
 You can secure your local network with AdGuard by configuring your router to direct all DNS queries by default to AdGuard instead of your ISP’s DNS. Note: your router must allow DNS changes (Orange routers do not).
@@ -299,6 +295,5 @@ In Windows, you need to configure AdGuard for each network adapter you want to u
 All programs using that network adapter will now be filtered by AdGuard.
 
 ## Add Filters
----
 
 - Go to the settings and change the filters.