diff --git a/laravel/crypter.php b/laravel/crypter.php
index 86452185..ec72c5c6 100644
--- a/laravel/crypter.php
+++ b/laravel/crypter.php
@@ -39,7 +39,7 @@ public function __construct($cipher, $mode, $key)
 
 		if (trim((string) $this->key) === '')
 		{
-			throw new \Exception('The encryption class can not be used without an encryption key.');
+			throw new \Exception('The encryption class may not be used without an encryption key.');
 		}
 	}