diff --git a/system/libraries/Benchmark.php b/system/libraries/Benchmark.php
index d426279..5fd24b0 100644
--- a/system/libraries/Benchmark.php
+++ b/system/libraries/Benchmark.php
@@ -54,7 +54,7 @@
* Calculates the time difference between two marked points.
*
* If the first parameter is empty this function instead returns the
- * {elapsed_time} pseudo-variable. This permits the the full system
+ * {elapsed_time} pseudo-variable. This permits the full system
* execution time to be shown in a template. The output class will
* swap the real value for this variable.
*
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index 0bbc777..3db408b 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -18,7 +18,7 @@
/**
* Code Igniter Application Controller Class
*
- * This class object is the the super class the every library in
+ * This class object is the super class the every library in
* Code Igniter will be assigned to.
*
* @package CodeIgniter
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index e13c713..6af1ca9 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -228,7 +228,7 @@
// --------------------------------------------------------------------
/**
- * Write File to the specified direcotry
+ * Write File to the specified directory
*
* Lets you write a file
*