Spelling error in statistical_rethinking_lectures/20-Horoscopes.html

[MimoHasPurpose]

statistical_rethinking_lectures/20-Horoscopes:
Notebook url:

Issue description

section: scientific reform
subsection: Causal model of collider bias
spelling error: newsworhiness

Expected output

newsworthiness

[MimoHasPurpose]

@fonnesbeck
@zaxtax