From 4dace76a044d37c40b5081dbb2fdd483f1d9e066 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Mon, 25 Apr 2022 13:52:17 +0000
Subject: [PATCH] Issue #1885 - Follow-up: Update error message if invalid
 rootMargin specified.

---
 dom/base/DOMIntersectionObserver.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom/base/DOMIntersectionObserver.cpp b/dom/base/DOMIntersectionObserver.cpp
index fb6315cc42..7ee1a4c938 100644
--- a/dom/base/DOMIntersectionObserver.cpp
+++ b/dom/base/DOMIntersectionObserver.cpp
@@ -84,7 +84,7 @@ DOMIntersectionObserver::Constructor(const mozilla::dom::GlobalObject& aGlobal,
 
   if (!observer->SetRootMargin(aOptions.mRootMargin)) {
     aRv.ThrowDOMException(NS_ERROR_DOM_SYNTAX_ERR,
-      NS_LITERAL_CSTRING("rootMargin must be specified in pixels or percent."));
+      NS_LITERAL_CSTRING("rootMargin must be a valid absolute or percent length."));
     return nullptr;
   }