RFR: Minor spelling correction in guide

[Jesper Wilhelmsson]

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.

Marked as reviewed by jwilhelm (Lead).

Good catch!

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PR Review: https://git.openjdk.org/guide/pull/168#pullrequestreview-3693319485
PR Comment: https://git.openjdk.org/guide/pull/168#issuecomment-3785289046