diff --git a/workshop.markdown b/workshop.markdown
index 7d40438..ae28837 100644
--- a/workshop.markdown
+++ b/workshop.markdown
@@ -15,7 +15,7 @@ If you are running something else and don't want to change your OS,
 you can get a VM in either VMware or VirtualBox format [here.](https://www.osboxes.org/ubuntu/)
 
 Let's get started.
-There are some slides, you'll be able to see them in the YouTube recording.
+There are some slides, you'll be able to see them in the YouTube recording. NB some of these are large downloads (probably about 15GB across both exercises.. to save time I've downloaded them already to the demo server!)
 
 # Demo #1. Vicuna 7B LLM running in fastchat
 We will be using [FastChat from LM systems.](https://github.com/lm-sys/FastChat)