kc3-lang/kc3

diff --git a/libc3/env.c b/libc3/env.c
index 62d99d0..de65e0e 100644
--- a/libc3/env.c
+++ b/libc3/env.c
@@ -260,6 +260,7 @@ bool env_eval_call (s_env *env, const s_call *call, s_tag *dest)
   return result;
 }
 
+// FIXME: better error message (cite call function name if any)
 bool env_eval_call_arguments (s_env *env, const s_list *args,
                               s_list **dest)
 {