diff --git a/website/blog/2026-10-03-v0.19-batch-set.md b/website/blog/2026-10-03-v0.19-batch-set.md
index 5d1b722ef014..a295d9d35c9b 100644
--- a/website/blog/2026-10-03-v0.19-batch-set.md
+++ b/website/blog/2026-10-03-v0.19-batch-set.md
@@ -74,7 +74,8 @@ no updater function. To batch mixed Entity types, deletes, or rows keyed by id,
 [Controller.set()](/docs/api/Controller#set-array) for examples.
 [#4103](https://github.com/reactive/data-client/pull/4103)
 
-Try both buttons below. Each writes 500 new prices; the timer shows how long until the update is committed.
+Try both buttons below. This browser check starts from an empty store and times `Promise.all` of 500 `set()`
+calls against one batch `set()`. Both paths are one React commit, and each writes 500 new prices.
 
 <HooksPlayground row>
 
@@ -143,8 +144,13 @@ render(<PriceStream />);
 
 Each `set()` is a separate store update, and every store update copies that entity type's table. Writing rows one
 at a time repeats that copy for every row, so the cost grows with both the batch size and the store size. A batch
-pays it once, and notifies subscribers once instead of once per row: **20x** faster for 50 rows (10.8 ms to 0.54 ms)
-and **95x** faster for 500 rows (103 ms to 1.08 ms), into a store holding 500 entities.
+pays that copy once.
+
+The chart is the node `setMany` benchmark in
+[examples/benchmark/core.js](https://github.com/reactive/data-client/blob/master/examples/benchmark/core.js):
+a store that already holds 500 entities, then a synchronous `set()` per row against one `set([Ticker], rows)`.
+It measures the store update: **20x** faster for 50 rows (10.8 ms to 0.54 ms) and **95x** faster for 500 rows
+(103 ms to 1.08 ms).
 [#4103](https://github.com/reactive/data-client/pull/4103)
 
 <center>
@@ -153,7 +159,7 @@ and **95x** faster for 500 rows (103 ms to 1.08 ms), into a store holding 500 en
 
 ```mermaid
 xychart-beta
-    title "Batch set() speedup vs one set() per row"
+    title "Node setMany speedup into a 500-entity store"
     x-axis ["50 rows", "500 rows"]
     y-axis "Times faster" 0 --> 100
     bar [20, 95]
@@ -161,7 +167,7 @@ xychart-beta
 
 </div>
 
-[Benchmarks over time](https://reactive.github.io/data-client/dev/bench/) | [View benchmark](https://github.com/reactive/data-client/tree/master/examples/benchmark)
+[Benchmarks over time](https://reactive.github.io/data-client/dev/bench/) | [View setMany benchmark](https://github.com/reactive/data-client/blob/master/examples/benchmark/core.js)
 
 </center>