diff --git a/Firefox-WebExtensions.md b/Firefox-WebExtensions.md
index 3283447..d92665d 100644
--- a/Firefox-WebExtensions.md
+++ b/Firefox-WebExtensions.md
@@ -16,7 +16,7 @@ There are also Firefox issues specific to webext extensions which can cause a we
 
 Another option is to install [uBO 1.13.8](https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/versions/?page=1#version-1.13.8) and disable auto-update for it.
 
-Having issue with uBO's cache storage being wiped-out on every restart of the browser? See if <http://forums.mozillazine.org/viewtopic.php?f=9&t=3034189> help.
+Having issues with uBO's cache storage being wiped-out on every restart of the browser? See if <http://forums.mozillazine.org/viewtopic.php?f=9&t=3034189> help.
 
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