docs: fix CONTRIBUTING doc error path

[BoynChan]

What does this PR do?

Update Path missleading error in Contributing Document

Fixes # (issue)

None

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Enhancement (non-breaking small changes to existing functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How should this be tested?

• Test A
• Test B

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LGTM

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