doc: trivial comment typo fix
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5529080
diff --git a/doc/progs/defer.go b/doc/progs/defer.go
index 098cdf2..2e11020a 100644
--- a/doc/progs/defer.go
+++ b/doc/progs/defer.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// This file contains the code snippets included in "Defer, Panic, an Recover."
+// This file contains the code snippets included in "Defer, Panic, and Recover."
package main
@@ -36,7 +36,7 @@
// STOP OMIT
-// Intial version.
+// Initial version.
func CopyFile(dstName, srcName string) (written int64, err error) {
src, err := os.Open(srcName)
if err != nil {
