diff --git a/relay/bubblewrap.sh b/relay/bubblewrap.sh
index 1d21183..a3e5f4c 100755
--- a/relay/bubblewrap.sh
+++ b/relay/bubblewrap.sh
@@ -1,5 +1,6 @@
 #/bin/bash
 
+# Note: This fails if there is no default toolchain installed
 ELAN_HOME=$(lake env printenv ELAN_HOME)
 
 # $1 : the game directory