fix(cli): fix help template spelling

[ansgarm]

Related issue

Fixes #

Description

In plain English, describe your approach to addressing the issue linked above. For example, if you made a particular design decision, let us know why you chose this path instead of another solution.

Checklist

• I have updated the PR title to match CDKTF's style guide
• I have run the linter on my code locally
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation if applicable
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works if applicable
• New and existing unit tests pass locally with my changes

[github-actions]

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