Fix for correct encryption cipher

encryption.md

@@ -13,7 +13,7 @@ Before using Laravel's encrypter, you should set the `key` option of your `confi
 
 #### Encrypting A Value
 
-You may encrypt a value using the `Crypt` [facade](/docs/{{version}}/facades). All encrypted values are encrypted using the OpenSSL and the `AES-128-CBC` cipher. Furthermore, all encrypted values are signed with a message authentication code (MAC) to detect any modifications to the encrypted string.
+You may encrypt a value using the `Crypt` [facade](/docs/{{version}}/facades). All encrypted values are encrypted using the OpenSSL and the `AES-256-CBC` cipher. Furthermore, all encrypted values are signed with a message authentication code (MAC) to detect any modifications to the encrypted string.
 
 For example, we may use the `encrypt` method to encrypt a secret and store it on an [Eloquent model](/docs/{{version}}/eloquent):