Update some phpdocs, courtesy of Psalm.

app/Http/Controllers/Transaction/BulkController.php

@@ -68,7 +68,7 @@ class BulkController extends Controller
      *
      * TODO user wont be able to tell if journal is part of split.
      *
-     * @param Collection $journals
+     * @param array $journals
      *
      * @return Factory|View
      */

app/Http/Controllers/Transaction/ConvertController.php

@@ -87,7 +87,8 @@ class ConvertController extends Controller
      * @param TransactionGroup $group
      *
      * @throws Exception
-     * @return RedirectResponse|Redirector|View
+     *
+     * @return RedirectResponse|Redirector|\Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
     public function index(TransactionType $destinationType, TransactionGroup $group)
     {

app/Http/Controllers/Transaction/EditController.php

@@ -63,7 +63,7 @@ class EditController extends Controller
     /**
      * @param TransactionGroup $transactionGroup
      *
-     * @return Factory|View
+     * @return Factory|View|\Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
      */
     public function edit(TransactionGroup $transactionGroup)
     {