diff --git a/samples/static_contract.c b/samples/static_contract.c
index d0c2bc1..8735bae 100644
--- a/samples/static_contract.c
+++ b/samples/static_contract.c
@@ -5,7 +5,7 @@ int call(void* descriptor) {
     data += *input_length;
 }
 
-/* produces the following code (with gas counter)
+/* produces the following code (with gas counter and call optimization)
 (module
   (type (;0;) (func (param i32) (result i32)))
   (type (;1;) (func))
@@ -35,4 +35,4 @@ int call(void* descriptor) {
     end)
   (export "_call" (func 1)))
 
-*/
\ No newline at end of file
+*/