errorreporting: fix typos
errorreporting: fix typos

Falling afoul of https://twitter.com/rakyll/status/843926352914919424

Change-Id: I12abedd65ae5deebaf8c1f4606d9a29ebe774a54
Reviewed-on: https://code-review.googlesource.com/17590
Reviewed-by: JBD <347c19a639ce752a783b4ea325d6539ab4b4a262@google.com>

googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go