diff --git a/README.md b/README.md
index d2ee976..216cb2c 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ A set of tools to simplify the work of creating backend APIs for your frontend p
 
 For example, we create an API for calculator. So we create class `APIcalculator` and store in file `test/APIcalculator.php` where we defined each actions for API as public method.
 
-```
+```php
 <?php
 
 /**
@@ -90,7 +90,7 @@ It is important to extend the `APIcalculator` class with the `\TPsoft\APIlite\AP
 
 When you run this subfile through the webserver, you will see the JSON documentation in the browser
 
-```
+```js
 {
   "name": "APIcalculator",
   "html_version": "http://localhost/APIlite/test/APIcalculator.php?format=html",
@@ -194,7 +194,7 @@ and there is also an HTML version available
 
 To connect to the API from TypeScript (e.g. Vue application) it is possible to download the backend script
 
-```
+```ts
 /**
  * Generated by APIlite
  * https://gitea.tpsoft.org/TPsoft.org/APIlite