diff --git a/ghost/admin/app/components/editor/modals/publish-flow/complete-with-email-error.hbs b/ghost/admin/app/components/editor/modals/publish-flow/complete-with-email-error.hbs
index ee39f5731f..621001312e 100644
--- a/ghost/admin/app/components/editor/modals/publish-flow/complete-with-email-error.hbs
+++ b/ghost/admin/app/components/editor/modals/publish-flow/complete-with-email-error.hbs
@@ -26,7 +26,7 @@
createModel({}));
+
+ /**
+ * !! WARNING !!
+ * If the error message is changed that it no longer contains the word 'partially',
+ * we'll also need the frontend logic in ghost/admin/app/components/editor/modals/publish-flow/complete-with-email-error.js
+ */
await assert.rejects(service.sendBatches({
email: createModel({}),
batches,
post: createModel({}),
newsletter: createModel({})
- }), /was only partially sent/);
+ }), /was only partially sent/); // do not change without reading the warning above
+
sinon.assert.callCount(sendBatch, 101);
const sendBatches = sendBatch.getCalls().map(call => call.args[0].batch);
assert.deepEqual(sendBatches, batches);