fix style

content/self-host/rustdesk-server-oss/synology/dsm-7/_index.en.md

@@ -5,18 +5,18 @@ weight: 20
 <!-- For translators: When translating elements like "buttons", don't just translate, please refer actual naming in their interface. -->
 After DSM 7.2 update, Synology renamed their "Docker" package to "Container Manager". It brings a new GUI, and comes with "docker-compose" within its GUI, which make you create Docker more easily.
 
-### Supported models and requirements
+## Supported models and requirements
 
 Container Manager brings ARM64 support for some low-end models, such as J series, for detail list of supported model, please check [Synology website](https://www.synology.com/en-us/dsm/packages/ContainerManager).
 Most of time you won't need to install extra RAM for install Docker and RustDesk Server.
 
-### 1. Install Container Manager (Docker)
+## 1. Install Container Manager (Docker)
 
 Open "Package Center", search and install "Container Manager".
 
 ![](images/dsm7_install_container_manager_though_package_center.png)
 
-### 2. Create folder
+## 2. Create folder
 
 After you installed "Container Manager", it will create a Shared Folder called `docker`, let's put our server's data here.
 
@@ -24,7 +24,7 @@ Open your File Station, create a folder named `rustdesk-server`(or whatever you
 
 ![](images/dsm7_create_required_folders.png)
 
-### 3. Create container
+## 3. Create container
 
 Open your Container Manager, go to Project and click Create.
 
@@ -65,7 +65,7 @@ services:
 
 Please skip `Web portal settings` then done.
 
-### 4. Check it is working
+## 4. Check it is working
 
 Open your File Station, you should see `id_ed25519`, `id_ed25519.pub` on your `docker/rustdesk-server/data` folder. You could download it and open it though any text editor or use [Synology Text Editor](https://www.synology.com/en-us/dsm/packages/TextEditor). This is the public key that you need for your RustDesk client.
 
@@ -75,7 +75,7 @@ The public key will looks like this:
 
 Check [here](/docs/en/client) to set up your client. Only `ID server` and `Key` is needed. `Relay server` isn't needed because we've set it in `hbbs`, `hbbs` will provide this information automatically.
 
-### 5. Set port forwarding on your router
+## 5. Set port forwarding on your router
 
 Go to your router's admin webpage, find anything related to `Port forwarding`, it should appear in `WAN` or `Firewall` settings.