Fix minor wording in Readme.md

Author: Tyrrrz

Readme.md

@@ -19,7 +19,7 @@
 </p>
 
 **YoutubeDownloader** is an application that lets you download videos from YouTube.
-You can copy-paste URL of any video, playlist or channel and download it directly to a format of your choice.
+You can copy-paste URL of any video, playlist or channel and download it directly in a format of your choice.
 It also supports searching by keywords, which is helpful if you want to quickly look up and download videos.
 
 > **Note**: