Update README.md

Author: mevdschee

README.md

@@ -12,7 +12,13 @@ Related projects:
   - [PHP-CRUD-UI](https://github.com/mevdschee/PHP-crud-ui): Single file PHP script that adds a UI to a PHP-CRUD-API project.
   - [VUE-CRUD-UI](https://github.com/nlware/vue-crud-ui): Single file Vue.js script that adds a UI to a PHP-CRUD-API project.
 
-There are also ports of the core of the script (only basic REST CRUD, no features) to the languages [Java](https://github.com/mevdschee/java-crud-api/blob/master/src/main/java/com/tqdev/CrudApiHandler.java), [Go](https://github.com/mevdschee/go-crud-api/blob/master/api.go), [C# .net core](https://github.com/mevdschee/core-data-api/blob/master/Program.cs), [PHP](https://github.com/mevdschee/php-crud-api/blob/master/extras/core.php) and [Node.js](https://github.com/mevdschee/js-crud-api/blob/master/app.js).
+There are also ports of this script in:
+[Java](https://github.com/mevdschee/java-crud-api/blob/master/src/main/java/com/tqdev/CrudApiHandler.java),
+[Go](https://github.com/mevdschee/go-crud-api/blob/master/api.go),
+[C# .net core](https://github.com/mevdschee/core-data-api/blob/master/Program.cs),
+[PHP](https://github.com/mevdschee/php-crud-api/blob/master/extras/core.php) and
+[Node.js](https://github.com/mevdschee/js-crud-api/blob/master/app.js).
+These implementations are a proof-of-concept and do only support basic REST CRUD functionality.
 
 ## Requirements