diff --git a/4.2.2-uBlock-Origin.md b/4.2.2-uBlock-Origin.md
index acef06a..2235d86 100644
--- a/4.2.2-uBlock-Origin.md
+++ b/4.2.2-uBlock-Origin.md
@@ -33,9 +33,9 @@ no-remote-fonts: * true
 ||/tst2/*$image,important,domain=ixquick.com|ixquick.eu|startpage.com
 ```
 
-- Workers
-   * If you have uMatrix [1.2.0+](https://github.com/gorhill/uMatrix/releases/tag/1.2.0) on [FF58+](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/worker-src), there is a new switch: "Forbid web workers"
-   * `dom.workers.enabled` was [deprecated](https://bugzilla.mozilla.org/1434934) in FF60
+- Workers (requires [FF58+](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/worker-src))
+   * If you have uMatrix [1.2.0+](https://github.com/gorhill/uMatrix/releases/tag/1.2.0), there is a new switch: "Forbid web workers", use that instead.
+   * Note: `dom.workers.enabled` was [deprecated](https://bugzilla.mozilla.org/1434934) in FF60
    * Prevent workers everywhere (first line below)
    * Exception, do not prevent workers on `example.org` (second line below)
 ```