diff --git a/composer.json b/composer.json
index 0caa796..d32f338 100644
--- a/composer.json
+++ b/composer.json
@@ -2,13 +2,15 @@
     "name": "yemenopensource/laravel-wallet",
     "description": "Laravel wallet is a package with expressive pronounced syntax that provide top-notch development covering deposits, withdrawals, transactions and balances all quite simply.",
     "keywords": [
-        "yemeni-open-source",
+        "yemenopensource",
+        "yos",
         "laravel-wallet",
         "virtual",
         "currency",
         "credits",
         "wallet",
-        "payment"
+        "payment",
+        "muath-ye"
     ],
     "type": "library",
     "license": "MIT",
diff --git a/src/Services/WalletService.php b/src/Services/WalletService.php
index 51b4b2c..c7c7084 100644
--- a/src/Services/WalletService.php
+++ b/src/Services/WalletService.php
@@ -4,17 +4,17 @@
 
 class WalletService
 {
-    public function addingTransactionTypes()
+    public static function addingTransactionTypes()
     {
         return config('wallet.adding_transaction_types', []);
     }
 
-    public function subtractingTransactionTypes()
+    public static function subtractingTransactionTypes()
     {
         return config('wallet.subtracting_transaction_types', []);
     }
 
-    public function autoRecalculationActive()
+    public static function autoRecalculationActive()
     {
         return config('auto_recalculate_balance', false);
     }