io/ioutil: use correct Go version in redirection comments

Change-Id: I282f428137ca3360a58167c94e26f3dfdf59fb63
Reviewed-on: https://go-review.googlesource.com/c/go/+/302756
Trust: Ian Lance Taylor <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Emmanuel Odeke <[email protected]>

Author: ianlancetaylor

src/io/ioutil/tempfile.go

@@ -20,7 +20,7 @@ import (
 // to find the pathname of the file. It is the caller's responsibility
 // to remove the file when no longer needed.
 //
-// As of Go 1.16, this function simply calls os.CreateTemp.
+// As of Go 1.17, this function simply calls os.CreateTemp.
 func TempFile(dir, pattern string) (f *os.File, err error) {
 	return os.CreateTemp(dir, pattern)
 }
@@ -35,7 +35,7 @@ func TempFile(dir, pattern string) (f *os.File, err error) {
 // will not choose the same directory. It is the caller's responsibility
 // to remove the directory when no longer needed.
 //
-// As of Go 1.16, this function simply calls os.MkdirTemp.
+// As of Go 1.17, this function simply calls os.MkdirTemp.
 func TempDir(dir, pattern string) (name string, err error) {
 	return os.MkdirTemp(dir, pattern)
 }