message: Render references to eBook in bold
diff: @@ -152,8 +152,8 @@ Feel free to have a look at the latest version of OWASP Juice Shop:
  Via a YAML configuration file in `/config`, the OWASP Juice Shop can be
  customized in its content and look & feel.
  -For detailed instructions and examples please refer to
  -[the _Customization_ chapter of our (free) companion guide ebook](https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part1/customization.html).
  +**For detailed instructions and examples please refer to
  +[the _Customization_ chapter of our (free) companion guide ebook](https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part1/customization.html).**
  ## CTF-Extension
  @@ -163,8 +163,9 @@ conveniently using the official
  [`juice-shop-ctf-cli`](https://www.npmjs.com/package/juice-shop-ctf-cli)
  tool.
  -For detailed instructions and examples please refer to
  -[the _Hosting a CTF event_ chapter](https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part1/ctf.html) of our (free) companion guide ebook.
  +**For detailed instructions and examples please refer to
  +[the _Hosting a CTF event_ chapter](https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part1/ctf.html)
  +of our (free) companion guide ebook.**
  ## Additional Documentation
  