fix broken links

Author: stevemunk

articles/azure-maps/migrate-from-bing-maps-web-app.md

@@ -1738,7 +1738,7 @@ Learn more about migrating from Bing Maps to Azure Maps.
 [Load a map]: #load-a-map
 [Localization support in Azure Maps]: supported-languages.md
 [Localizing the map]: #localizing-the-map
-[Microsoft Entra ID]: ../entra/fundamentals/whatis.md
+[Microsoft Entra ID]: ../active-directory/fundamentals/active-directory-whatis.md
 [ng-azure-maps]: https://github.com/arnaudleclerc/ng-azure-maps
 [OpenLayers plugin]: /samples/azure-samples/azure-maps-OpenLayers/azure-maps-OpenLayers-plugin
 [OpenLayers]: https://openlayers.org/