Update entityRelationshipDiagram.md

[anlai46]

:bookmark_tabs: Summary

• Added the Wikipedia link
• Removed a comma at the end of a bullet point that is likely unintended
• Removed an additional period under the "Additional Keys and Comments" section

Resolves

:straight_ruler: Design Decisions

I made minor corrections to the entityRelationshipDiagram.md file. Specifically, I added a link to the Wikipedia page and removed accidental punctuation marks to improve readability.

:clipboard: Tasks

Make sure you

• [ ] :book: have read the contribution guidelines
• [ ] :computer: have added necessary unit/e2e tests.
• [ ] :notebook: have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
• [ ] :bookmark: targeted develop branch

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 5.72%. Comparing base (c00bf26) to head (43e183b).

Additional details and impacted files

[](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5413?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) ```diff @@ Coverage Diff @@ ## develop #5413 +/- ## ======================================= Coverage 5.72% 5.72% ======================================= Files 277 277 Lines 41896 41896 Branches 27 27 ======================================= Hits 2400 2400 Misses 39495 39495 Partials 1 1 ``` | [Flag](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5413/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/mermaid-js/mermaid/pull/5413/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js) | `5.72% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mermaid-js#carryforward-flags-in-the-pull-request-comment) to find out more.

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