Updated descriptions and added China/Japan/Saba to latest coverage table.

Author: stevemunk

articles/azure-maps/routing-coverage.md

@@ -54,7 +54,7 @@ The Calculate Reachable Range service calculates a set of locations that can be
 
 ## Matrix Routing
 
-The Matrix Routing service calculates travel time and distance between all possible pairs in a list of origins and destinations. It doesn't provide any detailed information about the routes. You can get one-to-many, many-to-one, or many-to-many route options simply by varying the number of origins and/or destinations. For more information, see [Matrix Routing service] in the REST API documentation.
+The Matrix Routing service calculates travel time and distance between all possible pairs in a list of origins and destinations. It doesn't provide any detailed information about the routes. You can get one-to-many, many-to-one, or many-to-many route options simply by varying the number of origins and/or destinations. For more information, see [Matrix Routing service](/rest/api/maps/route/post-route-matrix?view=rest-maps-1.0) in the REST API documentation.
 
 ## Traffic