Polkadot wiki is the central source of truth for the Polkadot ecosystem. Thus it's important it has good UX and remains bug-free.
My contributions towards this goal: 
1. I pointed out an important UX issue on the "Thousand validators programme" page of the wiki. That page was missing the contents sidebar. The buttons at the end of the page which help to navigate to the next/previous article were also missing. These missing components lead to a bad UX and break the flow of reading for users.
    * Issue on github:  [#2502](https://github.com/w3f/polkadot-wiki/issues/2502)
2. Fixed multiple links to the research paper titled `Network Time with a Consensus on Clock`. The fix was applied across multiple pages including all translated docs.
    * PR on github: [#2503](https://github.com/w3f/polkadot-wiki/pull/2503)
3. Fixed two minor typos. PR on github: [#2471](https://github.com/w3f/polkadot-wiki/pull/2471)



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Multiple contributions to Polkadot Wiki