diff --git a/scripts/gen-ssl-key-cert.sh b/scripts/gen-ssl-key-cert.sh
index da85b586..2ce594e8 100755
--- a/scripts/gen-ssl-key-cert.sh
+++ b/scripts/gen-ssl-key-cert.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# Note: ooniprobe currently does not support self-signed certificates hence this is to be used for testing purposes only.
 set -eu
 
 if [ ! -d private ]