diff --git a/docs/source/guide.rst b/docs/source/guide.rst
index 052821bd9..7f7667509 100644
--- a/docs/source/guide.rst
+++ b/docs/source/guide.rst
@@ -729,9 +729,9 @@ Topic path started with: '$SYS/brokers/${node}/sysmon/'
 +------------------+--------------------+
 
 
----------------------
-Trace Topic or Client
----------------------
+-----
+Trace
+-----
 
 The emqttd broker supports to trace MQTT packets received/sent from/to a client, or trace MQTT messages published to a topic.