fix broken link

README.md

@@ -194,9 +194,9 @@ If you need more than 1 million [map transactions](http://doc.arcgis.com/en/arcg
 * `L.esri.DynamicMapLayer` originally used code from [AGS.Layer.Dynamic.js](https://github.com/sanborn/leaflet-ags/blob/master/src/AGS.Layer.Dynamic.js)
 * `L.esri.TiledMapLayer` adapts some code from [arcgis-level-fixer](https://github.com/gisinc/arcgis-level-fixer)
 
-### Licensing
+### License
 
-Copyright 2016 Esri
+Copyright 2017 Esri
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.