Fixed an error in the example
Fixed an error in the example

sleberknight/kotlin-koans,hughandrewarch/kotlin-koans,usommerl/kotlin-koans,JetBrains/workshop-jb,TheCoinTosser/Kotlin-Koans---Solutions,chrisdoc/kotlin-koans,eviera/kotlin-koans,SteveChalker/kotlin-koans,FaustXVI/kotlin-koans,Yusuzhan/kotlin-koans,Kotlin/kotlin-koans,nakih/kotlin-koans,trmollet/tuto_kotlin,JetBrains/workshop-jb,zyallday/kotlin-koans,johnnywey/kotlin-koans,ian-pi/kotlin-koans,timbotetsu/kotlin-koans,jasonmfehr/kotlin-koans,SteveChalker/kotlin-koans,Kotlin/kotlin-koans,Carighan/kotlin-koans,jensim/kotlin-koans,xcerx/kotlin-koans,ian-pi/kotlin-koans,Carighan/kotlin-koans,enchf/kotlin-koans,TheCoinTosser/Kotlin-Koans---Solutions,nakih/kotlin-koans,wickedwukong/kotlin-koans,Yusuzhan/kotlin-koans,eviera/kotlin-koans,jensim/kotlin-koans,sleberknight/kotlin-koans,trmollet/tuto_kotlin,thatadamedwards/kotlin-koans,ncruz8991/kotlin-koans,wickedwukong/kotlin-koans,hughandrewarch/kotlin-koans,usommerl/kotlin-koans,Riccorl/kotlin-koans,thatadamedwards/kotlin-koans,timbotetsu/kotlin-koans,xcerx/kotlin-koans,zyallday/kotlin-koans,FaustXVI/kotlin-koans,johnnywey/kotlin-koans,jasonmfehr/kotlin-koans,enchf/kotlin-koans,ncruz8991/kotlin-koans,chrisdoc/kotlin-koans,Riccorl/kotlin-koans