RFR: Minor spelling correction in guide

[duke]

On Wed, 21 Jan 2026 23:09:28 GMT, Mohamed Issa <missa at openjdk.org> wrote:

> This changes fixes a typo in the **Reviewing and Sponsoring a Change** section of the guide.

@missa-prime 
Your change (at version 2b5ed9176dbe734aab8c7d51f6a1f745330e7f36) is now ready to be sponsored by a Committer.

-------------

PR Comment: https://git.openjdk.org/guide/pull/168#issuecomment-3785978576