diff --git a/system/core/Benchmark.php b/system/core/Benchmark.php
old mode 100644
new mode 100755
index 515550e..a200727
--- a/system/core/Benchmark.php
+++ b/system/core/Benchmark.php
@@ -29,6 +29,11 @@
  */
 class CI_Benchmark {
 
+	/**
+	 * List of all benchmark markers and when they were added
+	 *
+	 * @var array
+	 */
 	var $marker = array();
 
 	// --------------------------------------------------------------------
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
old mode 100644
new mode 100755
index 03b25ab..4eb918b
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -32,6 +32,12 @@
  *  Define the CodeIgniter Version
  * ------------------------------------------------------
  */
+	/**
+	 * CodeIgniter Version
+	 *
+	 * @var string
+	 *
+	 */
 	define('CI_VERSION', '2.0.2');
 
 /*
@@ -39,6 +45,13 @@
  *  Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
  * ------------------------------------------------------
  */
+
+	/**
+	 * CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
+	 *
+	 * @var string
+	 *
+	 */
 	define('CI_CORE', FALSE);
 
 /*