diff --git a/Triangulation_on_sphere_2/doc/Triangulation_on_sphere_2/Triangulation_on_sphere_2.txt b/Triangulation_on_sphere_2/doc/Triangulation_on_sphere_2/Triangulation_on_sphere_2.txt
index 9b0f6801436..71cdf0206ac 100644
--- a/Triangulation_on_sphere_2/doc/Triangulation_on_sphere_2/Triangulation_on_sphere_2.txt
+++ b/Triangulation_on_sphere_2/doc/Triangulation_on_sphere_2/Triangulation_on_sphere_2.txt
@@ -236,6 +236,8 @@ was developed over the two internships of Oliver Rouiller and Claudia Werner at
 under the supervision of Monique Teillaud and with the help of Sébastien Loriot.
 Based on this prototype, Mael Rouxel-Labbé developed the initial version of this package.
 
+The work was partially supported by the grant ANR-17-CE40-0033 of the French National Research Agency ANR <a href="https://members.loria.fr/Monique.Teillaud/collab/SoS/">(project SoS)</a> and INTER/ANR/16/11554412/SoS of the Luxembourg National Research fund FNR.
+
 */
 } /* namespace CGAL */