diff --git a/16-slices/exercises/04-declare-arrays-as-slices/main.go b/16-slices/exercises/04-declare-arrays-as-slices/main.go
index a1fdd16..dbfcf85 100644
--- a/16-slices/exercises/04-declare-arrays-as-slices/main.go
+++ b/16-slices/exercises/04-declare-arrays-as-slices/main.go
@@ -22,7 +22,7 @@ import "fmt"
 //  names    : []string ["Einstein" "Tesla" "Shepard"]
 //  distances: []int [50 40 75 30 125]
 //  data     : []uint8 [72 69 76 76 79]
-//  ratios   : []float64 %!f(BADINDEX)
+//  ratios   : []float64 [3.14]
 //  alives   : []bool [true false true false]
 //  zero     : []uint8 []
 // ---------------------------------------------------------
@@ -38,7 +38,7 @@ func main() {
 	fmt.Printf("names    : %[1]T %[1]q\n", names)
 	fmt.Printf("distances: %[1]T %[1]d\n", distances)
 	fmt.Printf("data     : %[1]T %[1]d\n", data)
-	fmt.Printf("ratios   : %[1]T %[1].2f\n", ratios)
+	fmt.Printf("ratios   : %[1]T %.2[1]f\n", ratios)
 	fmt.Printf("alives   : %[1]T %[1]t\n", alives)
 	fmt.Printf("zero     : %[1]T %[1]d\n", zero)
 }
diff --git a/16-slices/exercises/04-declare-arrays-as-slices/solution/main.go b/16-slices/exercises/04-declare-arrays-as-slices/solution/main.go
index 65cd756..ced4e9d 100644
--- a/16-slices/exercises/04-declare-arrays-as-slices/solution/main.go
+++ b/16-slices/exercises/04-declare-arrays-as-slices/solution/main.go
@@ -20,7 +20,7 @@ func main() {
 	fmt.Printf("names    : %[1]T %[1]q\n", names)
 	fmt.Printf("distances: %[1]T %[1]d\n", distances)
 	fmt.Printf("data     : %[1]T %[1]d\n", data)
-	fmt.Printf("ratios   : %[1]T %[1].2f\n", ratios)
+	fmt.Printf("ratios   : %[1]T %.2[1]f\n", ratios)
 	fmt.Printf("alives   : %[1]T %[1]t\n", alives)
 	fmt.Printf("zero     : %[1]T %[1]d\n", zero)
 }