[Workers] Document preview_urls config

Author: taylorlee

src/content/docs/workers/configuration/previews.mdx

@@ -67,7 +67,24 @@ You must press enter after you input your Application domain for it to save. You
 
 ## Making Preview URLs inaccessible
 
-Preview URLs run on your [`workers.dev` subdomain](/workers/configuration/routing/workers-dev/). To make preview URLs inaccessible, you must disable your Workers `workers.dev` subdomain. Learn how to [disable your Workers `workers.dev` subdomain](/workers/configuration/routing/workers-dev/#disabling-workersdev).
+To make preview URLs inaccessible for a Worker, include the following in your Worker's `wrangler.toml` file:
+
+import { WranglerConfig } from "~/components";
+
+<WranglerConfig>
+
+```toml
+preview_urls = false
+```
+
+</WranglerConfig>
+
+When you redeploy your Worker with this change, Preview URLs will be disabled.
+
+:::caution
+
+If you disable Preview URLs in the Cloudflare dashboard but do not update your Worker's `wrangler.toml` file with `preview_urls = false`, then Preview URLs will be re-enabled the next time you publish your Worker with wrangler.
+:::
 
 ## Limitations
 

src/content/docs/workers/configuration/routing/workers-dev.mdx

@@ -33,13 +33,13 @@ workers_dev = false
 
 </WranglerConfig>
 
-When you redeploy your Worker with this change, the `workers.dev` route will be disabled. Disabling your `workers.dev` subdomain will also make [preview URLs](/workers/configuration/previews) inaccessible.
+When you redeploy your Worker with this change, the `workers.dev` route will be disabled.
 
 If you do not specify `workers_dev = false` but add a [`routes` component](/workers/wrangler/configuration/#routes) to your `wrangler.toml`, the value of `workers_dev` will be inferred as `false` on the next deploy.
 
 :::caution
 
-If you disable your `workers.dev` route in the Cloudflare dashboard but do not update your Worker's `wrangler.toml` file with `workers_dev = false`, the `workers.dev` route will re-enable the next time you publish your Worker.
+If you disable your `workers.dev` route in the Cloudflare dashboard but do not update your Worker's `wrangler.toml` file with `workers_dev = false`, the `workers.dev` route will be re-enabled the next time you publish your Worker with wrangler.
 :::
 
 ## Limitations

src/content/docs/workers/wrangler/configuration.mdx

@@ -113,7 +113,11 @@ At a minimum, the `name`, `main` and `compatibility_date` keys are required to d
 
 - `workers_dev` <Type text="boolean" /> <MetaInfo text="optional" />
 
-  - Enables use of `*.workers.dev` subdomain to test and deploy your Worker. If you have a Worker that is only for `scheduled` events, you can set this to `false`. Defaults to `true`.
+  - Enables use of `*.workers.dev` subdomain to deploy your Worker. If you have a Worker that is only for `scheduled` events, you can set this to `false`. Defaults to `true`. Refer to [types of routes](#types-of-routes).
+
+- `preview_urls` <Type text="boolean" /> <MetaInfo text="optional" />
+
+  - Enables use of Preview URLs to test your Worker. Defaults to `true`. Refer to [Preview URLs](/workers/configuration/previews).
 
 - `route` <Type text="Route" /> <MetaInfo text="optional" />