diff --git a/README.md b/README.md
index 18a207e..fc78ba0 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ console.log(filtered)
 // Query will remove the last item from the tags array
 const updateQuery = { $pop: { tags: 1 } }
 // Make an update predicate function from the update query, validate the query according to the update schema
-const updatePredicate = updateToPredicate(, { validate: true, context })
+const updatePredicate = updateToPredicate(updateQuery, { validate: true, context })
 // Filter the data according to the predicate
 const updated = filtered.filter(updatePredicate)
 console.log(updated)