diff --git a/src/scheduler/BulkCurlTask.php b/src/scheduler/BulkCurlTask.php
index c2e7939e7..eaa95ee64 100644
--- a/src/scheduler/BulkCurlTask.php
+++ b/src/scheduler/BulkCurlTask.php
@@ -43,6 +43,8 @@ class BulkCurlTask extends AsyncTask{
 	 * $operations accepts an array of arrays. Each member array must contain a string mapped to "page", and optionally,
 	 * "timeout", "extraHeaders" and "extraOpts". Documentation of these options are same as those in
 	 * {@link Utils::simpleCurl}.
+	 *
+	 * @param mixed[][]  $operations
 	 */
 	public function __construct(array $operations){
 		$this->operations = serialize($operations);
diff --git a/src/scheduler/SendUsageTask.php b/src/scheduler/SendUsageTask.php
index f9ad8cd81..0584b1c6e 100644
--- a/src/scheduler/SendUsageTask.php
+++ b/src/scheduler/SendUsageTask.php
@@ -52,6 +52,9 @@ class SendUsageTask extends AsyncTask{
 	/** @var string */
 	public $data;
 
+	/**
+	 * @param string[] $playerList
+	 */
 	public function __construct(Server $server, int $type, array $playerList = []){
 		$endpoint = "http://" . $server->getProperty("anonymous-statistics.host", "stats.pocketmine.net") . "/";