diff --git a/default.prf b/default.prf
index 87342927..c9d4003e 100644
--- a/default.prf
+++ b/default.prf
@@ -318,8 +318,14 @@ permdir:/root/.ssh:rwx------:root:-:WARN:
 #config:license_key:[Your license key]:
 # The hostname/IP address to receive the data
 #config:upload_server:cisofy.com:
-# Options to cURL
+
+# Provide options to cURL when uploading data. Common options include:
+# -k or --insecure                    --> use HTTPS, but skip certificate check (e.g. self-signed)
+# --proxy [http://]proxyserver:8080   --> use HTTP/HTTPS proxy
+# --socks5 proxyserver:8080           --> use SOCKS proxy
 #config:upload_options:-k:
+
+# Define groups
 #config:group:[group name]:
 #config:group:test: