diff --git a/jl-cours/jl-cours.cls b/jl-cours/jl-cours.cls
index 94472c4..59ce743 100644
--- a/jl-cours/jl-cours.cls
+++ b/jl-cours/jl-cours.cls
@@ -111,7 +111,7 @@
 
 %% tkz
 %%
-\usetkzobj{all} % on charge tous les objets
+%\usetkzobj{all} % on charge tous les objets: useless since version 3.02 of tkz-euclide
 
 %% sizing of the page
 %%