feat(ddx): add link to public bandwidth page (#4945)

Author: bene2k1

pages/dedibox-scaleway/how-to/modify-server-options.mdx

@@ -22,9 +22,12 @@ dates:
 
 1. Click **Dedibox** in the **Bare Metal** section of the [Scaleway console](https://console.scaleway.com) side menu. The Dedibox dashboard displays.
 2. Choose the server you want to configure from the list. Click its name to display that server's information page.
-3. Scroll down to the **Server options** section and click **Modify options**.
+3. Scroll down to the **Server options** section and click **Change options**.
 
     A list of modifiable options for your server displays.
+    <Message type="tip">
+      The public bandwidth option is available for specific Dedibox offers. For a list of compatible machines, see [Additional Bandwidth for your Dedibox](https://www.scaleway.com/en/dedibox/network/bandwidth/).
+    </Message>
 4. Modify the service level for your Dedibox as required. Based on the service level you can customize your server with additional options, such as storage or DDoS protection.
     <Lightbox src="scaleway-modify-options.webp" alt="" />
 5. A summary of your options and configuration modifications displays. Click **Save changes** to validate.