diff --git a/src/pocketmine/event/EventPriority.php b/src/pocketmine/event/EventPriority.php
index 5f453ea0c..62c07392b 100644
--- a/src/pocketmine/event/EventPriority.php
+++ b/src/pocketmine/event/EventPriority.php
@@ -23,7 +23,12 @@ namespace pocketmine\event;
 
 
 /**
- * List of event prioritoes
+ * List of event priorities
+ *
+ * Events will be called in this order:
+ * LOWEST -> LOW -> NORMAL -> HIGH -> HIGHEST -> MONITOR
+ *
+ * MONITOR events should not change the event outcome or contents
  */
 abstract class EventPriority{
 	/**
diff --git a/src/pocketmine/event/HandlerList.php b/src/pocketmine/event/HandlerList.php
index 03cd9774b..acf0b8ff1 100644
--- a/src/pocketmine/event/HandlerList.php
+++ b/src/pocketmine/event/HandlerList.php
@@ -70,12 +70,12 @@ class HandlerList{
 
 	public function __construct(){
 		$this->handlerSlots = array(
-			EventPriority::MONITOR => [],
-			EventPriority::HIGHEST => [],
-			EventPriority::HIGH => [],
-			EventPriority::NORMAL => [],
+			EventPriority::LOWEST => [],
 			EventPriority::LOW => [],
-			EventPriority::LOWEST => []
+			EventPriority::NORMAL => [],
+			EventPriority::HIGH => [],
+			EventPriority::HIGHEST => [],
+			EventPriority::MONITOR => []
 		);
 		self::$allLists[] = $this;
 	}