spec: fix a dead link
Change-Id: If99aa8073cc0e7fe36d3775c635eaaab230fcd04
GitHub-Last-Rev:
06dbd990c72ee0e9c08254addd5ce669bfbe1883
GitHub-Pull-Request: golang/go#71083
Reviewed-on: https://go-review.googlesource.com/c/go/+/638638
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>