I installed everything I needed following the instructions in https://docs.flutter.dev/get-started/install/windows. I believe that there is an error in the code, please tell me how to fix it?
buildscript {
ext.kotlin_version = '1.6.10'
repositories {
google()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.1.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}