ITT: Minor fixes.

Author: dmitry-ivanov

README.md

@@ -144,7 +144,7 @@ $this->emulateProduction();
 Emulates that application is working at specified environment:
 
 ```php
-$this->emulateEnvironment('space');
+$this->emulateEnvironment('demo');
 ```
 
 ### ArtisanHelpers

tests/Helpers/ApplicationHelpersTest.php

@@ -21,8 +21,8 @@ public function it_can_emulate_production_environment()
     /** @test */
     public function it_can_emulate_any_environment()
     {
-        $this->emulateEnvironment('space');
+        $this->emulateEnvironment('demo');
 
-        $this->assertEquals('space', $this->app->environment());
+        $this->assertEquals('demo', $this->app->environment());
     }
 }