diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index b3dbc21..525dd23 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -255,8 +255,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access public
* @return integer
@@ -273,8 +273,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access public
* @return integer
@@ -291,8 +291,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access public
* @return array
@@ -309,8 +309,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access public
* @return array
@@ -334,8 +334,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @return null
*/
@@ -351,8 +351,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access private
* @return array
@@ -369,8 +369,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access private
* @return array
@@ -387,8 +387,8 @@
*
* Note: This function is normally overloaded by the identically named
* method in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver,
- * so this function is here primarily to prevent undefined function errors.
+ * is used. When caching is enabled we do not load the other driver.
+ * This function will only be called when a cached result object is in use.
*
* @access private
* @return object