diff --git a/12-switch/exercises/02-richter-scale-2/main.go b/12-switch/exercises/02-richter-scale-2/main.go
index 3aea928..3902b51 100644
--- a/12-switch/exercises/02-richter-scale-2/main.go
+++ b/12-switch/exercises/02-richter-scale-2/main.go
@@ -60,7 +60,7 @@ package main
 //   major's richter scale is 7 - 7.9
 //
 //  go run main.go great
-//   great's richter scale is 8 - 8.9
+//   great's richter scale is 8 - 9.9
 //
 //  go run main.go massive
 //   massive's richter scale is 10+
diff --git a/12-switch/exercises/02-richter-scale-2/solution/main.go b/12-switch/exercises/02-richter-scale-2/solution/main.go
index 67a9157..67c322b 100644
--- a/12-switch/exercises/02-richter-scale-2/solution/main.go
+++ b/12-switch/exercises/02-richter-scale-2/solution/main.go
@@ -40,7 +40,7 @@ func main() {
 	case "major":
 		richter = "7 - 7.9"
 	case "great":
-		richter = "8 - 8.9"
+		richter = "8 - 9.9"
 	case "massive":
 		richter = "10+"
 	default: