diff --git a/docs_app/content/guide/observable.md b/docs_app/content/guide/observable.md
index eef81b88e4..73f03b067f 100644
--- a/docs_app/content/guide/observable.md
+++ b/docs_app/content/guide/observable.md
@@ -5,7 +5,7 @@ Observables are lazy Push collections of multiple values. They fill the missing
 | | Single | Multiple |
 | --- | --- | --- |
 | **Pull** | [`Function`](https://developer.mozilla.org/en-US/docs/Glossary/Function) | [`Iterator`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) |
-| **Push** | [`Promise`](https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/Promise.jsm/Promise) | [`Observable`](/api/index/class/Observable) |
+| **Push** | [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) | [`Observable`](/api/index/class/Observable) |
 
 **Example.** The following is an Observable that pushes the values `1`, `2`, `3` immediately (synchronously) when subscribed, and the value `4` after one second has passed since the subscribe call, then completes: