diff --git a/src/conf.rs b/src/conf.rs
index 0fa453c..382d073 100644
--- a/src/conf.rs
+++ b/src/conf.rs
@@ -109,6 +109,7 @@ mod tests {
         let mut conf = Conf::get_default_conf();
         let tf = write_conf_to_temp_file(r#"
 job_dir = /val=ue
+# this line is ignored, and the white space on the next lien is intentional
 output_dir=/var/lib/output  
 check_interval=3600
 driver_url = https://example.test:6666