diff --git a/settings.py b/settings.py
index 7dbc537..d276e8b 100644
--- a/settings.py
+++ b/settings.py
@@ -1,7 +1,9 @@
 # Full path to the base directory of the Moodle installation
+# Must be read-writeable by the user executing the worker
 MOODLE_PATH = "/var/www/html/prod/"
 
 # Full path to the Moosh executable
+# Must be executable by the user executing the worker
 MOOSH_PATH = "/usr/local/bin/moosh"
 
 # Full path to the signalling directory