chore: adding URL to text (#832)

Author: mfranzke

README.md

@@ -65,7 +65,7 @@ If you miss a component than [contribute](CONTRIBUTING.md), please.
 
 As we'd like to perfectly support our users and customers on their digital journey, the usage of Deutsche Bahn brand and trademarks are bound to clear guidelines and restrictions even when being used with the code that we're providing with this product.
 Deutsche Bahn fully reserves all rights and ownership regarding the Deutsche Bahn brand, even though that we're providing the code of DB UI products free to use and release it under the Apache 2.0 license.
-Please have a look at our brand portal at <https://marketingportal.extranet.deutschebahn.com/> for any further questions and whom to contact on any brand issues.
+Please have a look at our [brand portal](https://marketingportal.extranet.deutschebahn.com/) for any further questions and whom to contact on any brand issues.
 
 As these assets and visual guidelines are retrieved from our Deutsche Bahn Marketingportal, you'll agree with the ["Allgemeine Nutzungsbedingungen für das DB-Marketingportal" (german)](https://marketingportal.extranet.deutschebahn.com/marketingportal/Nutzungsbedingungen-9702684) in case of using them.