Update README.md

Author: Zerpico

README.md

@@ -1,7 +1,7 @@
 # FFmpeg-nuget-package
 [![main](https://github.com/Zerpico/FFmpeg-nuget-package/actions/workflows/package.yml/badge.svg)](https://github.com/Zerpico/FFmpeg-nuget-package/actions/workflows/package.yml)
 [![nuget](https://img.shields.io/nuget/v/FFmpeg.runtime.svg)](https://www.nuget.org/packages/FFmpeg.runtime/)  
-FFmpeg v.4.4 Auto-Builds nuget package
+FFmpeg versions 4.4, 5.1, 6.1 Auto-Builds nuget package
 
 - [FFmpeg latest release](https://github.com/Zerpico/FFmpeg-nuget-package/releases/latest)
 - [FFmpeg nuget package](https://www.nuget.org/packages/FFMpeg.runtime)