Index: README.md
==================================================================
--- README.md
+++ README.md
@@ -7,11 +7,12 @@
 ![Screenshot](https://i.imgur.com/GNu2M6n.png)
 
 ## Features
 
 * Written in Lazarus (Free Pascal).
-  * Should be cross-platform (but Windows support is mediocre yet).
+  * Should be cross-platform.
+  * Successfully tested on Windows 10, macOS and Linux.
 * Can produce PS and PDF files.
 * Can handle some macros.
 
 ## License