diff --git a/src/Monolog/Handler/PushoverHandler.php b/src/Monolog/Handler/PushoverHandler.php
index 3d07e41f..2689de1c 100644
--- a/src/Monolog/Handler/PushoverHandler.php
+++ b/src/Monolog/Handler/PushoverHandler.php
@@ -67,7 +67,7 @@ class PushoverHandler extends SocketHandler
     /**
      * @param string       $token             Pushover api token
      * @param string|array $users             Pushover user id or array of ids the message will be sent to
-     * @param string       $title             Title sent to the Pushover API
+     * @param string|null  $title             Title sent to the Pushover API
      * @param string|int   $level             The minimum logging level at which this handler will be triggered
      * @param bool         $bubble            Whether the messages that are handled can bubble up the stack or not
      * @param bool         $useSSL            Whether to connect via SSL. Required when pushing messages to users that are not
diff --git a/src/Monolog/Logger.php b/src/Monolog/Logger.php
index d6eeb9ea..6d48c135 100644
--- a/src/Monolog/Logger.php
+++ b/src/Monolog/Logger.php
@@ -143,7 +143,7 @@ class Logger implements LoggerInterface, ResettableInterface
      * @param string             $name       The logging channel, a simple descriptive name that is attached to all log records
      * @param HandlerInterface[] $handlers   Optional stack of handlers, the first one in the array is called first, etc.
      * @param callable[]         $processors Optional array of processors
-     * @param ?DateTimeZone      $timezone   Optional timezone, if not provided date_default_timezone_get() will be used
+     * @param DateTimeZone|null  $timezone   Optional timezone, if not provided date_default_timezone_get() will be used
      */
     public function __construct(string $name, array $handlers = [], array $processors = [], ?DateTimeZone $timezone = null)
     {