minor doc fix.

docs/guide/basics.controller.txt

@@ -44,7 +44,7 @@ and action.
 
 >Note: By default, routes are case-sensitive. Since version 1.0.1, it is
 >possible to make routes case-insensitive by setting [CUrlManager::caseSensitive]
->to be true in the application configuration. When in case-insensitive mode,
+>to be false in the application configuration. When in case-insensitive mode,
 >make sure you follow the convention that directories containing controller
 >class files are in lower case, and both [controller map|CWebApplication::controllerMap]
 >[action map|CController::actions] are using keys in lower case.