diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index c1ab0aafc..650d5942f 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -121,6 +121,10 @@ namespace pocketmine {
 		return $messages;
 	}
 
+	/**
+	 * @param \Logger $logger
+	 * @return void
+	 */
 	function emit_performance_warnings(\Logger $logger){
 		if(extension_loaded("xdebug")){
 			$logger->warning("Xdebug extension is enabled. This has a major impact on performance.");
@@ -136,6 +140,9 @@ namespace pocketmine {
 		}
 	}
 
+	/**
+	 * @return void
+	 */
 	function set_ini_entries(){
 		ini_set("allow_url_fopen", '1');
 		ini_set("display_errors", '1');
@@ -144,6 +151,9 @@ namespace pocketmine {
 		ini_set('assert.exception', '1');
 	}
 
+	/**
+	 * @return void
+	 */
 	function server(){
 		if(count($messages = check_platform_dependencies()) > 0){
 			echo PHP_EOL;