Update README.md

Author: ina6ra

README.md

@@ -24,7 +24,7 @@
 **Access to the "Releases" page and download the RunCat.exe.**
 
 - Or install via [Scoop](https://github.com/ScoopInstaller/Scoop) (x64 version):
-`scoop install runcat` 
+`scoop bucket add extras`, `scoop install runcat` 
 
 # Contributors