fixed docs

extensions/faker/README.md

@@ -69,14 +69,11 @@ In this script, you can use the following two predefined variables:
 With such a template file, you can generate your fixtures using the commands like the following:
 
 ```
-# generate fixtures for the users table based on users fixture template
-php yii fixture/generate User
-
-# also a short version of this command ("generate" action is default)
-php yii fixture User
+# generate fixtures from user fixture template
+php yii fixture/generate user
 
 # to generate several fixture data files
-php yii fixture User Profile Team
+php yii fixture user profile team
 ```
 
 In the code above `users` is template name. After running this command, a new file with the same template name
@@ -113,17 +110,13 @@ After you created custom provider, for example:
 ```php
 class Book extends \Faker\Provider\Base
 {
+
     public function title($nbWords = 5)
     {
         $sentence = $this->generator->sentence($nbWords);
         return mb_substr($sentence, 0, mb_strlen($sentence) - 1);
     }
 
-    public function ISBN()
-    {
-        return $this->generator->randomNumber(13);
-    }
-
  }
 ```