Fixed typo in command name [skip ci] (Codeception#111)

samdark · DavertMik · commit 3835c4d35d8e · 2016-08-30T21:09:09.000+03:00
diff --git a/for/yii.md b/for/yii.md
@@ -213,7 +213,7 @@ Tests also include namespaces for testcase classes and testers to avoid conflict
 To start you need to install Codeception via Composer
 
 ```
-composer require "codeception/codecepton" --dev
+composer require "codeception/codeception" --dev
 ```
 
 Create basic test suites
@@ -269,4 +269,4 @@ modules:
             configFile: 'config/test.php'
 ```
 
-This way we don't need to provide test config for each defined suite.
+This way we don't need to provide test config for each defined suite.
