Code cleanup.

app/Models/Transaction.php

@@ -4,6 +4,11 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Watson\Validating\ValidatingTrait;
 
+/**
+ * Class Transaction
+ *
+ * @package FireflyIII\Models
+ */
 class Transaction extends Model
 {
     protected $fillable = ['account_id', 'transaction_journal_id', 'description', 'amount'];
@@ -16,16 +21,25 @@ class Transaction extends Model
         ];
     use SoftDeletes, ValidatingTrait;
 
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
     public function account()
     {
         return $this->belongsTo('FireflyIII\Models\Account');
     }
 
+    /**
+     * @return array
+     */
     public function getDates()
     {
         return ['created_at', 'updated_at', 'deleted_at'];
     }
 
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
     public function transactionJournal()
     {
         return $this->belongsTo('FireflyIII\Models\TransactionJournal');