diff --git a/generator/js_of_ast.ml b/generator/js_of_ast.ml
index 874546151d7df0b5576f2cf13945332a59a2e712..f6a80a38a88afc3d62da958fcceda0f544ca0e71 100644
--- a/generator/js_of_ast.ml
+++ b/generator/js_of_ast.ml
@@ -286,6 +286,7 @@ with help of
 
 *)
 
+(* LATER: optimize return when it's a value *)
 
 let generate_logged_return ctx sbody = 
   match !current_mode with