diff --git a/test/size-ledger/ship/gsta202-merge-e850.json b/test/size-ledger/ship/gsta202-merge-e850.json
new file mode 100644
index 000000000..aae5a0a6b
--- /dev/null
+++ b/test/size-ledger/ship/gsta202-merge-e850.json
@@ -0,0 +1,4 @@
+{
+  "bytes": -232,
+  "why": "wave review-53cfb5bfe011 merge of main e85005482: ship/DRIVER.md takes main's shorter Step 19 line ([--review-targeted @<f>], host PR tool) over the wave's, and the wave's own trims overlap main's"
+}