[Very minor] incorrect link on Wiki sidebar


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### [Very minor] incorrect link on Wiki sidebar

There is a very minor issue on the sidebar for this projects Wiki. The sidebar was formatted incorrectly, `/Wiki/` does not appear in the main link, instead it is the project name, following behind the name for the Wiki template (`/MEDOS/`) this is a very minor issue that needs to be fixed. I just don't feel like doing it today/

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