Merge pull request #22 from kravcik/patch-1

Typos ending <?php

Author: Aleš

doc/index.md

@@ -164,4 +164,4 @@ $form->addDependentSelectBox('city', 'City', $form['country'])
 	})
 	->setDisabledWhenEmpty(true)
 	->setPrompt('--- Select ---');
-	```
+```