Update README.md

Author: tschie

map/create-and-save-map/README.md

@@ -10,7 +10,7 @@ Maps can be created programatically in code and then serialized and saved as an
 
 ## How to use the sample
 
-This sample requires you to setup your own app on arcgis.com. See the [wiki](https://github.com/Esri/arcgis-runtime-samples-java/wiki/OAuth) for details.
+This sample requires you to setup your own app on arcgis.com. See https://github.com/Esri/arcgis-runtime-samples-java/blob/master/OAuth.md.
 
 Fill in your portal and registered app credentials in the starting dialog to authenticate. Then, choose the basemap and layers for your new map. To save the map, choose a title, tags and description (optional), and a folder on your portal (you will need to create one in your portal's My Content). Click the Save button to save the map to the chosen folder.
 
@@ -34,4 +34,4 @@ Fill in your portal and registered app credentials in the starting dialog to aut
 
 ## Tags
 
-web map, portal
+web map, portal