Update some documentation.

configuration.md

@@ -48,7 +48,7 @@ Simply create a folder within the `config` directory that matches your environme
 
 Notice that you do not have to specify _every_ option that is in the base configuration file, but only the options you wish to override. The environment configuration files will "cascade" over the base files.
 
-Next, we need to instruct the framework how to determine which environment it is running in. The default environment is always `production`. However, you may setup other environments within the `bootstrap/start.php` file at the root of your installation. In this file you will find an `$app->detectEnvironment` call. The array passed to this method is used to determine the current environment. You may add other environments and machine names to the array as needed.
+Next, we need to instruct the framework how to determine which environment it is running in. The default environment is always `production`. However, you may setup other environments within the `bootstrap/environment.php` file at the root of your installation. In this file you will find an `$app->detectEnvironment` call. The array passed to this method is used to determine the current environment. You may add other environments and machine names to the array as needed.
 
     <?php
 

lifecycle.md

@@ -44,7 +44,7 @@ Your application's start files are stored at `app/start`. By default, three are
 
 The `global.php` start file contains a few basic items by default, such as the registration of the [Logger](/docs/errors) and the inclusion of your `app/filters.php` file. However, you are free to add anything to this file that you wish. It will be automatically included on _every_ request to your application, regardless of environment. The `local.php` file, on the other hand, is only called when the application is executing in the `local` environment. For more information on environments, check out the [configuration](/docs/configuration) documentation.
 
-Of course, if you have other environments in addition to `local`, you may create start files for those environments as well. They will be automatically included when your application is running in that environment. So, for example, if you have a `development` environment configured in your `bootstrap/start.php` file, you may create a `app/start/development.php` file, which will be included when any requests enter the application in that environment.
+Of course, if you have other environments in addition to `local`, you may create start files for those environments as well. They will be automatically included when your application is running in that environment. So, for example, if you have a `development` environment configured in your `bootstrap/environment.php` file, you may create a `app/start/development.php` file, which will be included when any requests enter the application in that environment.
 
 ### What To Place In Start Files