[rts] Fix a typo
[rts] Fix a typo

R=guterman@chromium.org

Bug: 1112125
Change-Id: I34b9654708898b39a22a2af3e8c65da6a3dc6576
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2454377
Auto-Submit: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Chan Li <332b6c56634d0f63001046c664a2370006a02420@chromium.org>
Reviewed-by: Chan Li <332b6c56634d0f63001046c664a2370006a02420@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go