Update readme

Author: ocean90

README.md

@@ -4,6 +4,8 @@ WordPress plugin to share a link to anonymous users to preview a draft of a post
 
 Have you ever been writing a post with the help of someone who does not have access to your blog and needed to give them the ability to preview it before publishing? This plugin takes care of that by generating an URL with an expiring nonce that can be given out for public preview.
 
+[<kbd> <br> Preview in WordPress Playground <br> </kbd>](https://playground.wordpress.net/?blueprint-url=https://raw.githubusercontent.com/ocean90/public-post-preview/refs/heads/master/.wordpress-org/blueprints/blueprint.json)
+
 <p align="center">
 <img src="https://ps.w.org/public-post-preview/assets/screenshot-1.png?rev=1981242" alt="" width="400">
 </p>
@@ -50,13 +52,12 @@ The plugin generates an URL with an expiring nonce. By default a link "lives" 48
 
 **48 hours are not enough to me. Can I extend the nonce time?**
 
-Yes, of course. You can use the filter `ppp_nonce_life`. Example for 5 days:
+Yes, of course. Go to Settings > Reading > Public Post Preview and increase the
+Expiration Time setting. You can also use the filter `ppp_nonce_life`. Example for 5 days:
 
-```
+```php
 add_filter( 'ppp_nonce_life', 'my_nonce_life' );
 function my_nonce_life() {
 	return 5 * DAY_IN_SECONDS;
 }
 ```
-
-Or use the [Public Post Preview Configurator](https://wordpress.org/plugins/public-post-preview-configurator/).

readme.txt

@@ -59,15 +59,14 @@ The plugin generates an URL with an expiring nonce. By default a link "lives" 48
 
 **48 hours are not enough to me. Can I extend the nonce time?**
 
-Yes, of course. You can use the filter `ppp_nonce_life`. Example for 5 days:
+Yes, of course. Go to Settings > Reading > Public Post Preview and increase the
+Expiration Time setting. You can also use the filter `ppp_nonce_life`. Example for 5 days:
 
 `add_filter( 'ppp_nonce_life', 'my_nonce_life' );
 function my_nonce_life() {
 	return 5 * DAY_IN_SECONDS;
 }`
 
-Or use the [Public Post Preview Configurator](https://wordpress.org/plugins/public-post-preview-configurator/).
-
 == Changelog ==
 
 =  2.10.0 (2022-11-19): =