iter: add missing type parameter in doc
Change-Id: I3816b41227a0c8f8ece77b1e29002df433ccebdb
GitHub-Last-Rev:
e9e63b4c1b93cde499b15db49c53ff1536fc765c
GitHub-Pull-Request: golang/go#74406
Reviewed-on: https://go-review.googlesource.com/c/go/+/684555
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Auto-Submit: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>