diff --git a/src/event/player/PlayerEditBookEvent.php b/src/event/player/PlayerEditBookEvent.php
index ed5c03706..9a60de137 100644
--- a/src/event/player/PlayerEditBookEvent.php
+++ b/src/event/player/PlayerEditBookEvent.php
@@ -46,6 +46,9 @@ class PlayerEditBookEvent extends PlayerEvent implements Cancellable{
 	/** @var int[] */
 	private $modifiedPages;
 
+	/**
+	 * @param int[] $modifiedPages
+	 */
 	public function __construct(Player $player, WritableBookBase $oldBook, WritableBookBase $newBook, int $action, array $modifiedPages){
 		$this->player = $player;
 		$this->oldBook = $oldBook;
diff --git a/src/event/server/QueryRegenerateEvent.php b/src/event/server/QueryRegenerateEvent.php
index d86101da5..8ead91669 100644
--- a/src/event/server/QueryRegenerateEvent.php
+++ b/src/event/server/QueryRegenerateEvent.php
@@ -63,7 +63,7 @@ class QueryRegenerateEvent extends ServerEvent{
 	/** @var string */
 	private $ip;
 
-	/** @var array */
+	/** @var string[] */
 	private $extraData = [];
 
 	/** @var string|null */
@@ -172,11 +172,16 @@ class QueryRegenerateEvent extends ServerEvent{
 
 	/**
 	 * Returns the extra Query data in key => value form
+	 *
+	 * @return string[]
 	 */
 	public function getExtraData() : array{
 		return $this->extraData;
 	}
 
+	/**
+	 * @param string[] $extraData
+	 */
 	public function setExtraData(array $extraData) : void{
 		$this->extraData = $extraData;
 		$this->destroyCache();