Fix docblocks

Author: slavvka

lib/internal/Magento/Framework/Stdlib/DateTime/Timezone/LocalizedDateToUtcConverterInterface.php

@@ -7,11 +7,16 @@
 
 namespace Magento\Framework\Stdlib\DateTime\Timezone;
 
+/*
+ * Interface for converting localized date to UTC
+ */
 interface LocalizedDateToUtcConverterInterface
 {
     /**
+     * Convert localized date to UTC
+     *
      * @param string $data
      * @return string
      */
     public function convertLocalizedDateToUtc($date);
-}
+}