diff --git a/source b/source
index 0d819eccb96..a1c72c34b2a 100644
--- a/source
+++ b/source
@@ -115819,8 +115819,9 @@ function sendData(data) {
   <h4>The <code>Navigator</code> object</h4>
 
   <p>Instances of <code>Navigator</code> represent the identity and state of the user agent (the
-  client). They also serve as a generic global under which various APIs are located in this and
-  other specifications.</p>
+  client). It has also been used as a generic global under which various APIs are located, but this
+  is not precedent to build upon. Instead use the <code>WindowOrWorkerGlobalScope</code> mixin or
+  equivalent.</p>
 
   <pre><code class="idl">[Exposed=Window]
 interface <dfn interface>Navigator</dfn> {