diff --git a/lib/Resque.php b/lib/Resque.php
index 2bb6d22..df211a6 100644
--- a/lib/Resque.php
+++ b/lib/Resque.php
@@ -41,7 +41,8 @@ class Resque
 	 * the redis server that Resque will talk to.
 	 *
 	 * @param mixed $server Host/port combination separated by a colon, or
-	 * a nested array of servers with host/port pairs.
+	 *                      a nested array of servers with host/port pairs.
+	 * @param int $database
 	 */
 	public static function setBackend($server, $database = 0)
 	{
@@ -127,6 +128,8 @@ class Resque
 	/**
 	 * Return the size (number of pending jobs) of the specified queue.
 	 *
+	 * @param $queue name of the queue to be checked for pending jobs
+	 *
 	 * @return int The size of the queue.
 	 */
 	public static function size($queue)
@@ -140,7 +143,9 @@ class Resque
 	 * @param string $queue The name of the queue to place the job in.
 	 * @param string $class The name of the class that contains the code to execute the job.
 	 * @param array $args Any optional arguments that should be passed when the job is executed.
-	 * @param boolean $monitor Set to true to be able to monitor the status of a job.
+	 * @param boolean $trackStatus Set to true to be able to monitor the status of a job.
+	 *
+	 * @return string
 	 */
 	public static function enqueue($queue, $class, $args = null, $trackStatus = false)
 	{
diff --git a/lib/Resque/Failure.php b/lib/Resque/Failure.php
index 844e343..9f6d89a 100644
--- a/lib/Resque/Failure.php
+++ b/lib/Resque/Failure.php
@@ -19,10 +19,10 @@ class Resque_Failure
 	/**
 	 * Create a new failed job on the backend.
 	 *
-	 * @param object $payload The contents of the job that has just failed.
-	 * @param object $exception The exception generated when the job failed to run.
-	 * @param object $worker Instance of Resque_Worker that was running this job when it failed.
-	 * @param string $queue The name of the queue that this job was fetched from.
+	 * @param object $payload        The contents of the job that has just failed.
+	 * @param \Exception $exception  The exception generated when the job failed to run.
+	 * @param \Resque_Worker $worker Instance of Resque_Worker that was running this job when it failed.
+	 * @param string $queue          The name of the queue that this job was fetched from.
 	 */
 	public static function create($payload, Exception $exception, Resque_Worker $worker, $queue)
 	{
diff --git a/lib/Resque/Job.php b/lib/Resque/Job.php
index 654271a..e2002ad 100644
--- a/lib/Resque/Job.php
+++ b/lib/Resque/Job.php
@@ -52,6 +52,8 @@ class Resque_Job
 	 * @param string $class The name of the class that contains the code to execute the job.
 	 * @param array $args Any optional arguments that should be passed when the job is executed.
 	 * @param boolean $monitor Set to true to be able to monitor the status of a job.
+	 *
+	 * @return string
 	 */
 	public static function create($queue, $class, $args = null, $monitor = false)
 	{
@@ -154,7 +156,7 @@ class Resque_Job
 			);
 		}
 
-		$this->instance = new $this->payload['class'];
+		$this->instance = new $this->payload['class']();
 		$this->instance->job = $this;
 		$this->instance->args = $this->getArguments();
 		return $this->instance;
@@ -164,6 +166,7 @@ class Resque_Job
 	 * Actually execute a job by calling the perform method on the class
 	 * associated with the job with the supplied arguments.
 	 *
+	 * @return bool
 	 * @throws Resque_Exception When the job's class could not be found or it does not contain a perform method.
 	 */
 	public function perform()
@@ -194,6 +197,8 @@ class Resque_Job
 
 	/**
 	 * Mark the current job as having failed.
+	 *
+	 * @param $exception
 	 */
 	public function fail($exception)
 	{
@@ -216,6 +221,7 @@ class Resque_Job
 
 	/**
 	 * Re-queue the current job.
+	 * @return string
 	 */
 	public function recreate()
 	{
diff --git a/lib/Resque/Worker.php b/lib/Resque/Worker.php
index 6bef8f3..31f2f3c 100644
--- a/lib/Resque/Worker.php
+++ b/lib/Resque/Worker.php
@@ -61,6 +61,7 @@ class Resque_Worker
 
 	/**
 	 * Return all workers known to Resque as instantiated instances.
+	 * @return array
 	 */
 	public static function all()
 	{
@@ -192,12 +193,12 @@ class Resque_Worker
 			$this->child = $this->fork();
 
 			// Forked and we're the child. Run the job.
-			if($this->child === 0 || $this->child === false) {
+			if ($this->child === 0 || $this->child === false) {
 				$status = 'Processing ' . $job->queue . ' since ' . strftime('%F %T');
 				$this->updateProcLine($status);
 				$this->log($status, self::LOG_VERBOSE);
 				$this->perform($job);
-				if($this->child === 0) {
+				if ($this->child === 0) {
 					exit(0);
 				}
 			}
@@ -228,7 +229,7 @@ class Resque_Worker
 	/**
 	 * Process a single job.
 	 *
-	 * @param object|null $job The job to be processed.
+	 * @param Resque_Job $job The job to be processed.
 	 */
 	public function perform(Resque_Job $job)
 	{
@@ -582,4 +583,4 @@ class Resque_Worker
 		return Resque_Stat::get($stat . ':' . $this);
 	}
 }
-?>
\ No newline at end of file
+?>