Fixed a PHPdoc annotation

javiereguiluz · javiereguiluz · commit e70ce3965ea6 · 2019-07-03T12:36:03.000+02:00
diff --git a/src/Symfony/Component/Mime/Crypto/SMimeSigner.php b/src/Symfony/Component/Mime/Crypto/SMimeSigner.php
@@ -33,7 +33,7 @@ final class SMimeSigner extends SMime
      * @param string      $certificate          The path of the file containing the signing certificate (in PEM format)
      * @param string      $privateKey           The path of the file containing the private key (in PEM format)
      * @param string|null $privateKeyPassphrase A passphrase of the private key (if any)
-     * @param string      $extraCerts           The path of the file containing intermediate certificates (in PEM format) needed by the signing certificate
+     * @param string|null $extraCerts           The path of the file containing intermediate certificates (in PEM format) needed by the signing certificate
      * @param int         $signOptions          Bitwise operator options for openssl_pkcs7_sign() (@see https://secure.php.net/manual/en/openssl.pkcs7.flags.php)
      */
     public function __construct(string $certificate, string $privateKey, ?string $privateKeyPassphrase = null, ?string $extraCerts = null, int $signOptions = PKCS7_DETACHED)
