Improve descriptions.

README.md

@@ -249,7 +249,7 @@ Please see [CONTRIBUTING](https://github.com/ziadoz/awesome-php/blob/master/CONT
 * [PHPMailer](https://github.com/PHPMailer/PHPMailer) - Another mailer solution.
 * [Stampie](https://github.com/Stampie/Stampie) - A library for email services such as [SendGrid](https://sendgrid.com/), [PostMark](https://postmarkapp.com), [MailGun](https://www.mailgun.com/) and [Mandrill](https://mailchimp.com/features/transactional-email/).
 * [SwiftMailer](https://swiftmailer.symfony.com) - A mailer solution.
-* [Symfony Mailer](https://github.com/symfony/mailer) - The Mailer component helps sending emails.
+* [Symfony Mailer](https://github.com/symfony/mailer) - A powerful library for creating and sending emails.
 
 ### Files
 *Libraries for file manipulation and MIME type detection.*
@@ -916,7 +916,7 @@ Various resources, such as books, websites and articles, for improving your PHP
 * [PHP UK Conference](https://www.youtube.com/user/phpukconference/videos) - A collection of videos from the PHP UK Conference.
 * [Programming with Anthony](https://www.youtube.com/playlist?list=PLM-218uGSX3DQ3KsB5NJnuOqPqc5CW2kW) - A video series by Anthony Ferrara.
 * [Taking PHP Seriously](https://www.infoq.com/presentations/php-history/) - A talk outlining PHP's strengths by Keith Adams of Facebook.
-* [Laracasts](https://laracasts.com) - Video series about PHP programming but also generally OOP, Tools/Frameworks/IDEs, HTML/CSS/JavaScript, Testing, and of course, Laravel. Many videos are free.
+* [Laracasts](https://laracasts.com) - Screencasts about Laravel, Vue JS and more.
 
 ### PHP Podcasts
 *Podcasts with a focus on PHP topics.*