From c1aa9d9b4c5c1982c368cf0a60071b69df5cf788 Mon Sep 17 00:00:00 2001
From: Fedor <fedor@mail.ru>
Date: Wed, 10 Jun 2020 21:12:35 +0300
Subject: [PATCH] Bug 1621479 - Fix typo in reader mode CSS class preservation
 list.

---
 toolkit/components/reader/ReaderMode.jsm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolkit/components/reader/ReaderMode.jsm b/toolkit/components/reader/ReaderMode.jsm
index 5ba898aec..d9889e19e 100644
--- a/toolkit/components/reader/ReaderMode.jsm
+++ b/toolkit/components/reader/ReaderMode.jsm
@@ -14,7 +14,7 @@ const CLASSES_TO_PRESERVE = [
   "caption",
   "emoji",
   "hidden",
-  "invisble",
+  "invisible",
   "sr-only",
   "visually-hidden",
   "visuallyhidden",