diff --git a/README.md b/README.md
index e86724cdca22382961ed1725b6b535bef84d111f..9958df57145149f8f88a2c68c6603107099ee399 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ git clone https://gitlab.ethz.ch/thealternative/courses.git
 
 You can find the course materials in the various subdirectories of this repository.
 
+You need `git-lfs` installed for the larger files to download as expected.
+
 # For TheAlternative Members
 
 This repository is kept up to date by TheAlternative members. If you teach a course, please add your slides and supplementary material, such as exercise sheets, to this repo. Do not upload any private files, as this repository is publicly visible.