fix: some typos in slices adv. ops.

16-slices/exercises/23-limit-the-backing-array-sharing/main.go

@@ -48,7 +48,7 @@ import (
 // EXPECTED OUTPUT
 //
 //   Now the program cannot change the API's original backing array
-//  (beyond the returned capacity) (so the api now owns the control)
+//   (beyond the returned capacity) (so the api now owns the control)
 //                           ^  ^
 //                           |  |
 //   API's readings: [5 10 3 25 45 80 90]

16-slices/exercises/23-limit-the-backing-array-sharing/solution/api/api.go

@@ -5,6 +5,7 @@ var temps = []int{5, 10, 3, 25, 45, 80, 90}
 // Read returns a range of temperature readings beginning from
 // the `start` until to the `stop`.
 func Read(start, stop int) []int {
+	//
 	// Uses a full slice expression to control the length of the
 	// backing array (or the capacity of the returned slice).
 	//