Corrects text for h1 header in tutorial documentation (#3274)
Corrects text for h1 header in tutorial documentation (#3274)


JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site