Update syncing.mdx (#882)

Updated the doc for clarity.

---------

Co-authored-by: Alex Jean-Baptiste <[email protected]>

Author: mibali

docs/admin/permissions/syncing.mdx

@@ -253,10 +253,10 @@ scheduled. Default values are shown below:
   // Don't sync a repo's permissions if it has synced within the last n seconds.
   "permissions.syncReposBackoffSeconds": 60,
   // The maximum number of user-centric permissions syncing jobs that can be spawned concurrently.
-  // Service restart is required to take effect for changes.
+  // Server restart is required for changes to take effect.
   "permissions.syncUsersMaxConcurrency": 1,
   // The maximum number of repo-centric permissions syncing jobs that can be spawned concurrently.
-  // Service restart is required to take effect for changes.
+  // Server restart is required for changes to take effect.
   "permissions.syncReposMaxConcurrency": 5,
 }
 ```