From 9e7bbdcedae4dbcd808b252eab77d99302b4e71d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 9 Feb 2026 11:46:25 +0000
Subject: [PATCH 1/2] Initial plan


From bd2fb1add4cc233d6e904d595bd0badb4a1040cf Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 9 Feb 2026 11:47:54 +0000
Subject: [PATCH 2/2] Fix grammar in error message: change 'of array' to 'an
 array'

Co-authored-by: davidjbradshaw <591634+davidjbradshaw@users.noreply.github.com>
---
 packages/core/received/preflight.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/received/preflight.js b/packages/core/received/preflight.js
index cf8d15a44..d903ea3ae 100644
--- a/packages/core/received/preflight.js
+++ b/packages/core/received/preflight.js
@@ -55,7 +55,7 @@ export function isMessageFromIframe(messageData, event) {
 
   if (checkOrigin && `${origin}` !== 'null' && !checkAllowedOrigin()) {
     throw new Error(
-      `Unexpected message received from: ${origin} for ${id}. Message was: ${data}. This error can be disabled by setting the checkOrigin: false option or by providing of array of trusted domains.`,
+      `Unexpected message received from: ${origin} for ${id}. Message was: ${data}. This error can be disabled by setting the checkOrigin: false option or by providing an array of trusted domains.`,
     )
   }