Update the cross-platform disclaimer in README.md.

README.md

@@ -5,16 +5,12 @@
 [![codecov](https://codecov.io/gh/krymtkts/pocof/graph/badge.svg?token=7HA9NC8PHT)](https://codecov.io/gh/krymtkts/pocof)
 
 An interactive pipeline filtering Cmdlet for PowerShell written in F#.
+Pocof implemented in .Net Standard 2.0, ensuring compatibility across Windows, Linux, and Mac.
 
 A fork of [poco](https://github.com/jasonmarcher/poco) by jasonmarcher.
 poco based on [powershell peco](https://gist.github.com/yumura/8df37c22ae1b7942dec7) by yumura.
 powershell peco is a port of [peco](https://github.com/peco/peco) for PowerShell.
 
-## Motivation
-
-To learn how to write Cmdlet in F#.
-Also to add my own flavor to poco which I often use.
-
 ## Installation
 
 [PowerShell Gallery | pocof](https://www.powershellgallery.com/packages/pocof/)
@@ -27,9 +23,18 @@ Install-Module -Name pocof -AllowPrerelease
 Install-PSResource -Name pocof -Prerelease
 ```
 
+## Motivation
+
+To learn how to write Cmdlet in F#.
+Also to add my own flavor to poco which I often use.
+
 ## Disclaimer
 
-Still incomplete.
+Some features are not implemented yet.
+I have created issues for the planned features.
+
+I always use Windows. Linux has tested on Ubuntu on WSL. Mac has not tested because I don't have a Mac machine.
+If you encounter any bugs on Linux or Mac, please create an issue.
 
 ## Publishing module