Issue on page /notebooks/air-pollution/air-pollution.html

[Jagbakpe]

A few typos;
This notebook 'uses' analyses the NO2 data in Lebanon and presents the insights from the analysis. Two datasets inform the analysis - NO2 'dta' obtained from Google Earth Engine and boundary files obtained from HDX.

[g4brielvs]

@Jagbakpe Thank you for contributing. Would you consider opening a pull request with your proposed changes? See CONTRIBUTING.