Broke due to website branch name change
<table><tbody><tr>
<td><a href="https://www.diagrams.net/" target="_blank">
- <img width="280" src="https://media.githubusercontent.com/media/BookStackApp/website/master/static/images/sponsors/diagramsnet.png" alt="Diagrams.net logo">
+ <img width="280" src="https://media.githubusercontent.com/media/BookStackApp/website/main/static/images/sponsors/diagramsnet.png" alt="Diagrams.net">
</a></td>
<td><a href="https://www.stellarhosted.com/bookstack/" target="_blank">
- <img width="280" src="https://media.githubusercontent.com/media/BookStackApp/website/master/static/images/sponsors/stellarhosted.png" alt="Stellar Hosted Logo">
+ <img width="280" src="https://media.githubusercontent.com/media/BookStackApp/website/main/static/images/sponsors/stellarhosted.png" alt="Stellar Hosted">
</a></td>
</tr></tbody></table>