diff --git a/Systemd.md b/Systemd.md
index 691076b..c7d732f 100644
--- a/Systemd.md
+++ b/Systemd.md
@@ -25,7 +25,8 @@ Group=aquatic
 # LimitNOFILE=65536
 
 # Uncomment for debug
-# Environment="RUST_LOG=debug"
+# Environment="RUST_LOG=trace"
+# Environment="RUST_LOG=aquatic_crawler=trace"
 # Environment="NO_COLOR=1"
 
 # Uncomment if some service starting with delay