Fix typo in Cloudflare tutorial

[isurakka]

Description

I just spent 2 hours trying to figure out why my API key didn't work.

Fixes indentation issue in documentation.

Checklist

• Unit tests updated
• End user documentation updated

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[linux-foundation-easycla]

• ❌ - login: @isurakka / name: Iiro Surakka . The commit (5391799) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.

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[k8s-ci-robot]

Hi @isurakka. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[mloiseleur]

\o. Sorry for that.
Thanks for this PR.
@isurakka The CLA needs to be signed before it can be reviewed.

[k8s-ci-robot]

PR needs rebase.

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