fix homepage link, docs index

website/pages/docs/index.mdx

@@ -12,17 +12,9 @@ Welcome to the Consul documentation! The documentation is reference material
 for all available features and options of Consul
 
 In the Quick Links below, you will find the most commonly used documentation
-and a link to our guides that walk you through common tasks. Note, the
+and a link to our guides that walk you through common tasks. Note that the
 guides are located on the HashiCorp Learn site.
 
-### Install
-
-Follow [the documentation](/docs/install) to install Consul either with a precompiled binary or from source.
-
-### Configure
-
-Read more about the [configuration options](/docs/agent/options) for Consul servers and clients.
-
-### Learn
-
-Get started using Consul with our step-by-step guides at [HashiCorp Learn](https://learn.hashicorp.com/consul).
+- Follow [the documentation](/docs/install) to install Consul either with a precompiled binary or from source.
+- Read more about the [configuration options](/docs/agent/options) for Consul servers and clients.
+- Get started using Consul with our step-by-step guides at [HashiCorp Learn](https://learn.hashicorp.com/consul).

website/pages/home/index.jsx

@@ -36,7 +36,8 @@ export default function HomePage() {
                   gaPrefix: null,
                 },
               ],
-              helpText: '<a href="View demo of web UI">View demo of web UI</a>',
+              helpText:
+                '<a href="https://demo.consul.io">View demo of web UI</a>',
               videos: [
                 {
                   name: 'UI',