Copyright symbol correctly render in README (#80)

* copyright symbol rendered in README

* another copyright occurence replaced

readme.md

@@ -96,8 +96,8 @@ Laravel Telescope Toolbar is open-sourced software licensed under the [MIT licen
 ### Based on Symfony Web Profiler and Laravel Telescope
 The styling, javascript, some icons and html of the Toolbar and (part of) its Collectors are based on the Symfony Web Profiler.
 JS/CSS is mostly copied and converted to Blade syntax. Collectors are modified to show Laravel data.
-See https://github.com/symfony/web-profiler-bundle - Copyright (c) 2004-2019 Fabien Potencier
+See https://github.com/symfony/web-profiler-bundle - © 2004-2019 Fabien Potencier
 
 Data from collectors is provided by Laravel Telescope. Some styling/icons/logic are alse re-used.
-See https://github.com/laravel/telescope - Copyright (c) Taylor Otwell
+See https://github.com/laravel/telescope - © Taylor Otwell