Update README.md

alatas · alatas · commit c6f7c2ac1a95 · 2015-09-19T21:42:17.000+03:00
diff --git a/README.md b/README.md
@@ -31,3 +31,5 @@ Download the latest [release](https://github.com/alatas/GeoJSON4EntityFramework/
 
 ###Tests and Validation
 You may validate outputs with http://geojson.io and http://geojsonlint.com
+___
+Test data extracted from OpenStreetMap®. OpenStreetMap® is open data, licensed under the [Open Data Commons Open Database License](http://opendatacommons.org/licenses/odbl/) (ODbL) by the OpenStreetMap Foundation (OSMF)
