diff --git a/benzene.tex b/benzene.tex
index 1d3f94f..6028035 100644
--- a/benzene.tex
+++ b/benzene.tex
@@ -250,6 +250,7 @@ In total, the present calculation has required 150k core hours, most of it being
 
 
 % Acknowledgements
+We thank Janus Eriksen and Cyrus Umrigar for useful comments.
 This work was performed using HPC resources from GENCI-TGCC (2020-gen1738) and from CALMIP (Toulouse) under allocation 2020-18005.
 
 \bibliography{benzene}