docs(aps): fix typo

Author: bene2k1

pages/apple-silicon/how-to/update-os-mac-mini.mdx

@@ -55,9 +55,11 @@ The recommended method to update the macOS is to reinstall your Mac mini with an
     </Message>
 
     <Message type="important">
-      Your Mac mini may restart during the upgrade process and be unavailable while the software update is installed. Once the update is successfully completed, it will become available again.### Upgrading the OS using SSH
+      Your Mac mini may restart during the upgrade process and be unavailable while the software update is installed. Once the update is successfully completed, it will become available again.
     </Message>
 
+### Upgrading the OS using SSH
+
 To manually update the operating system using the `softwareupdate` tool, follow these steps:
 
 1. List all available updates: