Minor fix

[ian0371]

Proposed changes

• Fix incorrect Korean sentence
• Add a description in KLVM & EVM difference

Types of changes

Please put an x in the boxes related to your change.

• [x] Minor Issues and Typos
• [ ] Major Content Contribution
• [ ] Others

Checklist

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• [ ] I have read the CONTRIBUTING GUIDELINES
• [ ] I have signed the CLA
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules

[scott-klaytn]

Reflected by merging automatic PR from Crowdin.