Code cleanup.

app/Models/TransactionRelation.php

@@ -2,9 +2,17 @@
 
 use Illuminate\Database\Eloquent\Model;
 
+/**
+ * Class TransactionRelation
+ *
+ * @package FireflyIII\Models
+ */
 class TransactionRelation extends Model
 {
 
+    /**
+     * @return array
+     */
     public function getDates()
     {
         return ['created_at', 'updated_at'];