link](https://github.com/rstudio/bookdown/blob/dda5f5a220058271a43ba8b81c6e6859ae3b9815/inst/templates/default.html) and find the `bookdown` title start/end (line 125).]

]


???

At end of time:

So those are the YAML parameters that change things you see

But most YAML parameters change things you never see

If you change the title, you may notice that the sidebar title has NOT changed! We'll show you why in a bit...

---

# Meta &lt;i class="fas fa-tags"&gt;&lt;/i&gt;



```html
&lt;head&gt;

&lt;meta ch