diff --git a/kotlin.md b/kotlin.md
index e47afe6a21..2d44321c25 100644
--- a/kotlin.md
+++ b/kotlin.md
@@ -323,8 +323,8 @@ if (someBoolean) {
 ### For Loops
 
 ```kotlin
-for (i in 0..10) { } // 1 - 10
-for (i in 0 until 10) // 1 - 9
+for (i in 0..10) { } // 0 - 10
+for (i in 0 until 10) // 0 - 9
 (0..10).forEach { }
 for (i in 0 until 10 step 2) // 0, 2, 4, 6, 8
 ```