Update docs/source/authoring_features/ChainingFeatures.md

Co-authored-by: Varant Zanoyan <[email protected]>
Signed-off-by: Pengyu Hou <[email protected]>

docs/source/authoring_features/ChainingFeatures.md

@@ -8,7 +8,7 @@ Or alternatively, "average weight of the last 10 items that a user purchased", b
 
 Assuming that square footage of a listing is stored separately from listing views - computing this requires
 - computing last_k items purchased per user, from the purchases stream
-- enriching the listing_ids again with listing price
+- using the `item_id` to enrich the data with the `item_weight`
 - finally aggregating the listing price.
 
 To express the above transformations, we need 2 Joins in Chronon to aggregate listings in the last 14 days and average price for these listings.