RFR: Improve sponsor message

[Erik Helin]

On Thu, 30 Jan 2020 13:06:52 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

> Hi all,
> 
> Please review this small change that improves the wording when a PR with a specified integration hash needs sponsoring.
> 
> Best regards,
> Robin

Looks good!

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Marked as reviewed by ehelin (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/387