diff --git a/README.md b/README.md
index edcc7da1..e43d25cb 100644
--- a/README.md
+++ b/README.md
@@ -60,8 +60,10 @@ $ mdbook serve
 to start a web server with the course. You'll find the content on
 <http://localhost:3000>. You can use `mdbook build` to create a static version
 of the course in the `book/` directory. Note that you have to separately build
-and zip exercises and add them to `book/html`.
-
+and zip exercises and add them to `book/html`. To build any of the translated
+versions of the course, run `MDBOOK_BOOK__LANGUAGE=xx mdbook build -d book/xx`
+where `xx` is the ISO 639 language code (e.g. `da` for the Danish translation).
+[TRANSLATIONS.md](TRANSLATIONS.md) contains further instructions.
 ## Contact
 
 For questions or comments, please contact [Martin