Hey -- a couple typos and grammar fixes for your next update -- noted below.

https://research.wikimedia.org/knowledge-gaps.html

• As of 2018, only 10% of Wikipedia languages containt millions of articles -- containt should be contain

https://research.wikimedia.org/human-centered-ai.html

• that the AI systems we build are ethical and human centered: that they reflect our values, empower our users, and improve our projects. -- that the AI systems we build are ethical and human centered – that they reflect our values, empower our users, and improve our projects.

https://research.wikimedia.org/structured-citations.html

• In 2016, we introduced an initiative called WikiCite . -- there is an extra space before the full stop

https://research.wikimedia.org/why-we-read-wikipedia.html

• Every second 6,000 people view Wikipedia pages. -- there should be a comma after "Every second"