all: fix typos in comments
Change-Id: Ib2e77cff4c10f66316295cbd67f52606cbf9972b
GitHub-Last-Rev:
088c033b2d5b743ca7739300ad3e9fdf69846669
GitHub-Pull-Request: golang/go#67032
Reviewed-on: https://go-review.googlesource.com/c/go/+/581675
Auto-Submit: Keith Randall <khr@golang.org>
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>