Update Readme.md

Author: glloyd0314

Readme.md

@@ -5,7 +5,7 @@ A tool to record live streams from the new-HTML5-niconico and Twitcasting. It co
 
 ### Installation of git, go, gcc, ffmpeg and streamlink
 ```
-scoop install git go tdm-gcc ffmpeg stream streamlink
+scoop install git go tdm-gcc ffmpeg streamlink
 ```
 ### Compile livedl
 #### Enter the directory of livedl/src then build it