diff --git a/apps/trading/client-pages/referrals/referral-statistics.tsx b/apps/trading/client-pages/referrals/referral-statistics.tsx
index f7fc19851..953713aa8 100644
--- a/apps/trading/client-pages/referrals/referral-statistics.tsx
+++ b/apps/trading/client-pages/referrals/referral-statistics.tsx
@@ -184,6 +184,7 @@ export const Statistics = ({
     />
   );
 
+  // TODO: replace this crude calculation with a value coming from the API (once available)
   const referrerVolumeValue = new BigNumber(runningVolumeValue)
     .minus(refereesVolumeValue)
     .toNumber();