Correction of issues in asynchronous code

It is required to detect and fix the incorrect behavior of the provided Kotlin example.

fun main() = runBlocking {
    async { displaySecond() }
    async { displayFirst() }
}

fun displayFirst() {
    for (idx in 0..10) {
        delay(5)
        println("displayFirst - $idx")
    }
}

fun displaySecond() {
    for (idx in 0..10) {
        delay(10)
        println("displaySecond - $idx")
    }
}