Update Readme.md description for YoutubeExplode.Converter

Reworded the description for clarity and accuracy.

Author: Tyrrrz

YoutubeExplode.Converter/Readme.md

@@ -3,7 +3,7 @@
 [![Version](https://img.shields.io/nuget/v/YoutubeExplode.Converter.svg)](https://nuget.org/packages/YoutubeExplode.Converter)
 [![Downloads](https://img.shields.io/nuget/dt/YoutubeExplode.Converter.svg)](https://nuget.org/packages/YoutubeExplode.Converter)
 
-**YoutubeExplode.Converter** is an extension package for **YoutubeExplode** that provides the capability to download YouTube videos by muxing separate streams into a single file.
+**YoutubeExplode.Converter** is an extension package for **YoutubeExplode** that provides the capability to download YouTube videos into a single file by fetching individual streams and muxing them.
 This package relies on [FFmpeg](https://ffmpeg.org) under the hood.
 
 ## Install