diff --git a/README.md b/README.md
index 907bf50a474fdd026cd558f73030ecb07b606a8d..5c805f9359913171bfa7d3532f0e7a5aba537f34 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,10 @@ More examples, including testing geospatial queries, are available in the `tests
 
 ## Acknowledgments
 
-Data source provider : [INSEE](https://www.insee.fr/)
+Data source provider : 
+- [INSEE](https://www.insee.fr/)
+- [IGN](http://professionnels.ign.fr/contoursiris)
 
-Financial support : Labex [Intelligence des Mondes Urbains (IMU)](http://imu.universite-lyon.fr/projet/hil)
+Financial support : 
+- Labex [Intelligence des Mondes Urbains (IMU)](http://imu.universite-lyon.fr/projet/hil)