@ -28,7 +28,7 @@ Clicking the buttons causes the progress bar to animate to its new value. It's a
</script>
```
> The `svelte/easing` module contains the [Penner easing equations](http://robertpenner.com/easing/), or you can supply your own `p => t` function where `p` and `t` are both values between 0 and 1.
> The `svelte/easing` module contains the [Penner easing equations](https://web.archive.org/web/20190805215728/http://robertpenner.com/easing/), or you can supply your own `p => t` function where `p` and `t` are both values between 0 and 1.