multi: fix make fmt

discovery/sync_manager.go

@@ -202,8 +202,8 @@ func (m *SyncManager) Stop() {
 // 2. Finding new peers to receive graph updates from to ensure we don't only
 //    receive them from the same set of peers.
 
-// 3. Finding new peers to force a historical sync with to ensure we have as
-//    much of the public network as possible.
+//  3. Finding new peers to force a historical sync with to ensure we have as
+//     much of the public network as possible.
 //
 // NOTE: This must be run as a goroutine.
 func (m *SyncManager) syncerHandler() {