Update faq.md

Closes #1152

Author: bep

content/en/troubleshooting/faq.md

@@ -45,9 +45,9 @@ Also see this Twitter thread:
 
 Yes you can! Read [this](/hosting-and-deployment/hosting-on-netlify/#configure-hugo-version-in-netlify).
 
-## I get "TOCSS ... this feature is not available in your current Hugo version"
+## I get "... this feature is not available in your current Hugo version"
 
-If you process `SCSS` or `SASS` to `CSS` in your Hugo project, you need the Hugo `extended` version, or else you may see this error message:
+If you process `SCSS` or `SASS` to `CSS` in your Hugo project with `libsass` as the transpiler or if you convert images to the `webp` format, you need the Hugo `extended` version, or else you may see an error message similar to the below:
 
 ```bash
 error: failed to transform resource: TOCSS: failed to transform "scss/main.scss" (text/x-scss): this feature is not available in your current Hugo version