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Have you noticed the "edit" button on Wikipedia?
Get started making Wikipedia better now. Pass on what you know.
Copy-edit an article Most articles in Wikipedia could use some copy-editing, including checking for typos, correcting mistakes in grammar, and improving clarity. Here is a good guide.
Join a WikiProject Many Wikipedians work together to create better articles in their fields of interest. Locate your field here.
Add sources to an article Wikipedia uses references to reliable sources. When you find unverified or unsupported statements in an article, add sources like this.
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