Fixed broken link in readme

Author: 1ec5

README.md

@@ -15,7 +15,7 @@ Get up and running in a few minutes with our drop-in turn-by-turn navigation `Na
 
 * A full-fledged turn-by-turn navigation UI for iPhone, iPad, and CarPlay that’s ready to drop into your application
 * [Professionally designed map styles](https://www.mapbox.com/maps/) for daytime and nighttime driving
-* Worldwide driving, cycling, and walking directions powered by [open data](https://www.mapbox.com/about/open/) and user feedback
+* Worldwide driving, cycling, and walking directions powered by [open data](https://www.mapbox.com/about/maps/) and user feedback
 * Traffic avoidance and proactive rerouting based on current conditions in [over 55 countries](https://docs.mapbox.com/help/how-mapbox-works/directions/#traffic-data)
 * Natural-sounding turn instructions powered by [Amazon Polly](https://aws.amazon.com/polly/) (no configuration needed)
 * [Support for over two dozen languages](https://docs.mapbox.com/ios/navigation/overview/localization-and-internationalization/)