Code cleanup.

app/Repositories/Account/AccountRepository.php

@@ -75,6 +75,8 @@ class AccountRepository implements AccountRepositoryInterface
      * @param Account $account
      * @param Account $opposing
      * @param array   $data
+     *
+     * @return TransactionJournal
      */
     protected function _storeInitialBalance(Account $account, Account $opposing, array $data)
     {

app/Repositories/Account/AccountRepositoryInterface.php

@@ -3,7 +3,17 @@
 namespace FireflyIII\Repositories\Account;
 
 
+/**
+ * Interface AccountRepositoryInterface
+ *
+ * @package FireflyIII\Repositories\Account
+ */
 interface AccountRepositoryInterface
 {
+    /**
+     * @param array $data
+     *
+     * @return mixed
+     */
     public function store(array $data);
 }