Update README.md

Author: KEINOS

examples/README.md

@@ -3,8 +3,8 @@
 This directory contains various examples of how to use the `ParsedownToC` library. Each example demonstrates a different feature or functionality of the library.
 
 > [!IMPORTANT]
-> These examples supports PHP 5.3 to 8.3. They DO NOT work on PHP 8.4 or later.
+> These examples use the patched version of `Parsedown` and/or `ParsedownExtra` if the PHP version is high.
 
 ## Testing
 
-The examples are also used as integration tests to check the extension's functionality. The examples are used to test the extension's functionality.
+These examples are also used as "integration tests" to check the extension's functionality in actual use cases.