Typo on Ethereum.org Style Guide

[abcoathup]

Describe the bug

Typo on Ethereum.org Style Guide

To Reproduce
Steps to reproduce the behavior:

1. Go to https://ethereum.org/en/contributing/style-guide/
2. See typo etheruem.org

Expected behavior

No typos

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context

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