diff --git a/mm2src/mm2_main/src/lp_ordermatch.rs b/mm2src/mm2_main/src/lp_ordermatch.rs
index 9829fed75a..8d68859e69 100644
--- a/mm2src/mm2_main/src/lp_ordermatch.rs
+++ b/mm2src/mm2_main/src/lp_ordermatch.rs
@@ -5127,6 +5127,7 @@ pub struct CancelOrderResponse {
     result: String,
 }
 
+// TODO: This is a near copy of the function below, `cancel_order_rpc`.
 pub async fn cancel_order(ctx: MmArc, req: CancelOrderReq) -> Result<CancelOrderResponse, MmError<CancelOrderError>> {
     let ordermatch_ctx = match OrdermatchContext::from_ctx(&ctx) {
         Ok(x) => x,