diff --git a/logger/FileLogger.php b/logger/FileLogger.php
index c14c52f..ec16515 100644
--- a/logger/FileLogger.php
+++ b/logger/FileLogger.php
@@ -13,6 +13,9 @@ class FileLogger extends Logger
 
     protected $file_path = '';
 
+    /**
+     * @var resource
+     */
     protected $handler = null;
 
     protected function __construct()
diff --git a/util/profiler/Profiler.php b/util/profiler/Profiler.php
index dbce47b..6ad272c 100644
--- a/util/profiler/Profiler.php
+++ b/util/profiler/Profiler.php
@@ -12,10 +12,19 @@
 class Profiler
 {
 
+    /**
+     * @var int
+     */
     protected $start = null;
 
+    /**
+     * @var int
+     */
     protected $end = null;
 
+    /**
+     * @var CommandProfiler[]
+     */
     protected $queries = array();
 
     static protected $instance = null;