diff --git a/system/core/Security.php b/system/core/Security.php
index 8b3149c..7c18c74 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -75,7 +75,7 @@
 	/**
 	 * Character set
 	 *
-	 * Will be overriden by the constructor.
+	 * Will be overridden by the constructor.
 	 *
 	 * @var	string
 	 */
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index dd93abc..a0803f1 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1643,7 +1643,7 @@
 	/**
 	 * Close DB Connection
 	 *
-	 * This method would be overriden by most of the drivers.
+	 * This method would be overridden by most of the drivers.
 	 *
 	 * @return	void
 	 */
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index c8d773c..f6ee2a6 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -828,7 +828,7 @@
 	 */
 	protected function _attr_type(&$attributes)
 	{
-		// Usually overriden by drivers
+		// Usually overridden by drivers
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index c9377e0..79cbfb3 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1699,7 +1699,7 @@
 	 * Groups tables in FROM clauses if needed, so there is no confusion
 	 * about operator precedence.
 	 *
-	 * Note: This is only used (and overriden) by MySQL and CUBRID.
+	 * Note: This is only used (and overridden) by MySQL and CUBRID.
 	 *
 	 * @return	string
 	 */
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