fix broken link

moved in spf13/cobra#1604

content/home/getting-started.md

@@ -36,7 +36,7 @@ func main() {
 Cobra provides its own program that will create your application and add any
 commands you want. It's the easiest way to incorporate Cobra into your application.
 
-[Here](https://github.com/spf13/cobra/blob/master/cobra/README.md) you can find more information about it.
+[Here](https://github.com/spf13/cobra-cli) you can find more information about it.
 
 ## Using the Cobra Library