Merge pull request #24052 from dougsland/extended

README.md - Add notes about hugo extended version

Author: k8s-ci-robot

README.md

@@ -6,7 +6,7 @@ This repository contains the assets required to build the [Kubernetes website an
 
 # Using this repository
 
-You can run the website locally using Hugo, or you can run it in a container runtime. We strongly recommend using the container runtime, as it gives deployment consistency with the live website.
+You can run the website locally using Hugo (Extended version), or you can run it in a container runtime. We strongly recommend using the container runtime, as it gives deployment consistency with the live website.
 
 ## Prerequisites
 
@@ -15,7 +15,7 @@ To use this repository, you need the following installed locally:
 - [yarn](https://yarnpkg.com/)
 - [npm](https://www.npmjs.com/)
 - [Go](https://golang.org/)
-- [Hugo](https://gohugo.io/)
+- [Hugo (Extended version)](https://gohugo.io/)
 - A container runtime, like [Docker](https://www.docker.com/).
 
 Before you start, install the dependencies. Clone the repository and navigate to the directory:
@@ -58,6 +58,11 @@ make serve
 
 This will start the local Hugo server on port 1313. Open up your browser to http://localhost:1313 to view the website. As you make changes to the source files, Hugo updates the website and forces a browser refresh.
 
+## Troubleshooting
+### 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
+
+Hugo is shipped in two set of binaries for technical reasons. The current website runs based on the **Hugo Extended** version only. In the [release page](https://github.com/gohugoio/hugo/releases) look for archives with `extended` in the name. To confirm, run `hugo version` and look for the word `extended`.
+
 ### Troubleshooting macOS for too many open files
 
 If you run `make serve` on macOS and receive the following error: