diff --git a/crates/revm/src/handler/mainnet/post_execution.rs b/crates/revm/src/handler/mainnet/post_execution.rs
index aa3ac14635..9a69c102d4 100644
--- a/crates/revm/src/handler/mainnet/post_execution.rs
+++ b/crates/revm/src/handler/mainnet/post_execution.rs
@@ -78,6 +78,7 @@ pub fn refund<SPEC: Spec, EXT, DB: Database>(
 
         if standard_cost > floor {
             // Return gas charged as token cost floor.
+            // TODO: should it be refund instead?
             gas.erase_cost(token_cost_difference);
         }
     }