Index: lib/MsgUtils/src/AgentMessage.cpp
===================================================================
diff -u -r53d80d0edc1c441132b13f387f5f13570a7aafd2 -r64243101dff61b5c1a40b96ef33080236999acf6
--- lib/MsgUtils/src/AgentMessage.cpp	(.../AgentMessage.cpp)	(revision 53d80d0edc1c441132b13f387f5f13570a7aafd2)
+++ lib/MsgUtils/src/AgentMessage.cpp	(.../AgentMessage.cpp)	(revision 64243101dff61b5c1a40b96ef33080236999acf6)
@@ -21,7 +21,7 @@
 /*!
  * \brief   AgentMessage::build
  * \details Builds a complete wire-ready frame with header and optional payload CRCs.
- * \param   msgId    - message identifier for Agent MQTT routing
+ * \param   msgId    - message identifier for Agent MQTT topic
  * \param   sequence - caller-managed sequence number
  * \param   payload  - optional payload; pass empty for zero-length frames (e.g. Ack)
  * \return  complete frame ready to write to the transport