sync jobs doc minor typos

docs/firststeps-sync_jobs_migration.md

@@ -3,7 +3,7 @@ Sync jobs are used to copy or move existing emails from an external IMAP server
 !!! info
     Depending on your mailbox's ACL you may not have the option to add a sync job. Please contact your domain administrator if so.
 
-# Setup a Sync Job
+## Setup a Sync Job
 1. In the "Mail Setup" or "User Settings" interface, create a new sync job.
 
 2. If you are an administrator, select the username of the downstream mailcow mailbox in the "Username" dropdown.

mkdocs.yml

@@ -36,7 +36,7 @@ nav:
   - 'Setup a relayhost': 'firststeps-relayhost.md'
   - 'Logging': 'firststeps-logging.md'
   - 'Local MTA on Docker host': 'firststeps-local_mta.md'
-  - 'Sync Jobs Migration': 'firststeps-sync-jobs-migration.md'
+  - 'Sync Jobs Migration': 'firststeps-sync_jobs_migration.md'
 - 'Models':
   - 'Sender and receiver model': 'model-sender_rcv.md'
   - 'ACL': 'model-acl.md'