Fix coding standard of a code in "concrete-api.md"

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bagus erlang 2019-02-04 10:10:43 +08:00 committed by Henrique Moody
parent fc433ad449
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@ -7,7 +7,7 @@ or magic methods. We'll use a traditional dependency injection approach.
```php
use Respect\Validation\Validator as v;
$usernameValidator = v::alnum()->noWhitespace()->length(1,15);
$usernameValidator = v::alnum()->noWhitespace()->length(1, 15);
$usernameValidator->validate('alganet'); // true
```