repo: rstudio-education/arm-companion-rsc2019
```

---
template: meta
name: meta-twitter


&lt;img src="img/bookdown-meta-twitter.png" width="70%" style="display: block; margin: auto;" /&gt;


.footnote[
https://bookdown.org/yihui/bookdown/usage.html
]

???

This explains why you won't see any changes when you add some YAML parameters to index.Rmd

The changes are fed to Pandoc to generate meta-data for your book website, but cover-image for example does not actually add a cover-image to your repo (try it!)