more doc updates
diff --git a/README.md b/README.md
index 676e453..eff08aa 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,12 @@
[Eleventy](https://11ty.dev) static site generator (which is written in
Node/JS) and deployed onto [Firebase Cloud Hosting](firebase.google.com/products/hosting).
+The Markdown is translated using a single extremely simple
+[Nunjucks](mozilla.github.io/nunjucks) [template](site/_templates/default.tmpl)
+and the site is served with a single basic
+[Sass/SCSS](sass-lang.com) [stylesheet](site/_stylesheets/default.scss)
+(using the Node/NPM library version of Sass).
+
Large objects (PDFs, big images, etc.) are stored in a
[Google Cloud Storage](cloud.google.com/storage) bucket, indexed by
SHA-1 checksums that are committed into this repo.
diff --git a/docs/CONTRIBUTING.md b/docs/CONTRIBUTING.md
index f8fe2d8..3351e90 100644
--- a/docs/CONTRIBUTING.md
+++ b/docs/CONTRIBUTING.md
@@ -50,6 +50,8 @@
$ ./npmw build
```
+ It should only take a few seconds to build out the website.
+
(`npmw` is a simple wrapper around the version of `npm` that is bundled
as part of this checkout.)
