diff --git a/docs/en/index.rst b/docs/en/index.rst
index 1cc549c..d904398 100644
--- a/docs/en/index.rst
+++ b/docs/en/index.rst
@@ -35,9 +35,9 @@ the ``Application::bootstrap()`` function::
 Configuration
 =============
 
-The following configuration should be present in your **config/app.php**::
+The following configuration should be present in the config array of your **config/app.php**::
 
-    $config = [
+        // ...
         'Queue' => [
             'default' => [
                   // A DSN for your configured backend. default: null
@@ -53,8 +53,8 @@ The following configuration should be present in your **config/app.php**::
                   // The name of an event listener class to associate with the worker
                   'listener' => \App\Listener\WorkerListener::class,
             ]
-        ]
-    ];
+        ],
+        // ...
 
 The ``Queue`` config key can contain one or more queue configurations. Each of
 these is used for interacting with a different queuing backend.
@@ -69,6 +69,8 @@ Create a Job class::
 
     <?php
     // src/Job/ExampleJob.php
+    declare(strict_types=1);
+
     namespace App\Job;
 
     use Cake\Log\LogTrait;
@@ -182,6 +184,8 @@ mailer class. The following example shows how to setup the trait within a mailer
 class::
 
     <?php
+    declare(strict_types=1);
+
     namespace App\Mailer;
 
     use Cake\Mailer\Mailer;
@@ -191,7 +195,7 @@ class::
     {
         use QueueTrait;
 
-        public function welcome($emailAddress, $username)
+        public function welcome(string $emailAddress, string $username): void
         {
             $this
                 ->setTo($emailAddress)
@@ -218,14 +222,7 @@ a ``Processor:ACK``.
 The exposed ``QueueTrait::push()`` method has a similar signature to
 ``Mailer::send()``, and also supports an ``$options`` array argument. The
 options this array holds are the same options as those available for
-``QueueManager::push()``, and additionally supports the following:
-
-- ``emailClass``:
-
-  - default: ``Cake\Mailer\Email::class``
-  - description: The name of an email class to instantiate for use with the mailer
-  - type: string
-
+``QueueManager::push()``.
 
 Run the worker
 ==============
diff --git a/src/QueueManager.php b/src/QueueManager.php
index acc7ec6..acd5e05 100644
--- a/src/QueueManager.php
+++ b/src/QueueManager.php
@@ -155,8 +155,22 @@ public static function engine(string $name): SimpleClient
      *   to a statically callable function. When an array is used, the
      *   class will be constructed by Queue\Processor and have the
      *   named method invoked.
-     * @param array $args An array of data to set for the job
-     * @param array $options An array of options for publishing the job
+     * @param array $args An array of data to set for the job.
+     * @param array $options An array of options for publishing the job:
+     *   - `config` - A queue config name. Defaults to 'default'.
+     *   - `delay` - Time (in integer seconds) to delay message, after which it
+     *      will be processed. Not all message brokers accept this. Default `null`.
+     *   - `expires` - Time (in integer seconds) after which the message expires.
+     *     The message will be removed from the queue if this time is exceeded
+     *     and it has not been consumed. Default `null`.
+     *   - `priority` - Valid values:
+     *      - `\Enqueue\Client\MessagePriority::VERY_LOW`
+     *      - `\Enqueue\Client\MessagePriority::LOW`
+     *      - `\Enqueue\Client\MessagePriority::NORMAL`
+     *      - `\Enqueue\Client\MessagePriority::HIGH`
+     *      - `\Enqueue\Client\MessagePriority::VERY_HIGH`
+     *   - `queue` - The name of a queue to use, from queue `config` array or
+     *      string 'default' if empty.
      * @return void
      */
     public static function push($callable, array $args = [], array $options = []): void