fix typo in comments
diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index af58e3c..746f2a1 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -556,7 +556,7 @@
/**
* Number of fields in the result set
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @return int
*/
@@ -572,7 +572,7 @@
*
* Generates an array of column names.
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @return array
*/
@@ -588,7 +588,7 @@
*
* Generates an array of objects containing field meta-data.
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @return array
*/
@@ -602,7 +602,7 @@
/**
* Free the result
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @return void
*/
@@ -620,7 +620,7 @@
* this internally before fetching results to make sure the
* result set starts at zero.
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @param int $n
* @return bool
@@ -637,7 +637,7 @@
*
* Returns the result set as an array.
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @return array
*/
@@ -653,7 +653,7 @@
*
* Returns the result set as an object.
*
- * Overriden by driver result classes.
+ * Overridden by driver result classes.
*
* @param string $class_name
* @return object