diff --git a/src/Rel8/Aggregate.hs b/src/Rel8/Aggregate.hs
index 546ad84b..da611aee 100644
--- a/src/Rel8/Aggregate.hs
+++ b/src/Rel8/Aggregate.hs
@@ -76,7 +76,7 @@ import Data.Functor.Apply (Apply, liftF2)
 --   { customerId :: Column f CustomerId
 --   , totalOrders :: Column f Int64
 --   , productsOrdered :: Column f Int64
---   , totalPrice :: Column Scientific
+--   , totalPrice :: Column f Scientific
 --   }
 --   deriving (Generic, Rel8able)
 --