clarified condition for alternative repo setting

README.md

@@ -27,7 +27,7 @@ allprojects {
 }
 ```
 
-For newer version of Android Studio, add jitpack.io repository to your settings.gradle instead:
+Starting with gradle 6.8 you can alternatively add jitpack.io repository to your settings.gradle:
 ```gradle
 dependencyResolutionManagement {
     repositories {