diff --git a/Firefox-WebExtensions.md b/Firefox-WebExtensions.md
index d78d488..c2a0f17 100644
--- a/Firefox-WebExtensions.md
+++ b/Firefox-WebExtensions.md
@@ -63,7 +63,7 @@ This is what I plan:
 
 ### Future of uBO/legacy
 
-For all those Firefox and Firefox-based browsers based on Firefox v53 and less, the dev channel of uBO will cease to work, and they will have to install manually the `xpi` version from the repo here if you want to keep using the dev version of uBO, or install the [stable version of uBO on AMO](https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/).
+For all those Firefox and Firefox-based browsers based on Firefox v52 and less, the dev channel of uBO will cease to work, and they will have to install manually the `xpi` version from the repo here if you want to keep using the dev version of uBO, or install the [stable version of uBO on AMO](https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/).
 
 As of writing, there is no plan to cease development of uBO/legacy. Hypothetically, this may change in some future if ever it becomes really non-trivial to keep a working the legacy version.