grammar changes
diff --git a/system/libraries/URI.php b/system/libraries/URI.php
index c3dfef1..668b1ee 100644
--- a/system/libraries/URI.php
+++ b/system/libraries/URI.php
@@ -237,7 +237,7 @@
* Re-index Segments
*
* This function re-indexes the $this->segment array so that it
- * starts at 1 rather then 0. Doing so makes it simpler to
+ * starts at 1 rather than 0. Doing so makes it simpler to
* use functions like $this->uri->segment(n) since there is
* a 1:1 relationship between the segment array and the actual segments.
*
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index e53e04c..de2ab73 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -150,7 +150,7 @@
/**
* Use strict comparison
*
- * Causes the evaluation to use === rather then ==
+ * Causes the evaluation to use === rather than ==
*
* @access public
* @param bool