cmd/go: fix typo in comment
Change-Id: I211442f2bbdab29820126a350cbdb0886a10d6e5
GitHub-Last-Rev:
0347054a55713f9dabee38f63900b56025a39c60
GitHub-Pull-Request: golang/go#66160
Reviewed-on: https://go-review.googlesource.com/c/go/+/569697
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>
Reviewed-by: Michael Matloob <matloob@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>