Index: lib/MsgUtils/src/AgentMessage.cpp
===================================================================
diff -u -r808df723cf9d1b0097796815e5229abfa18f2d8f -ra3336c0c40f8c14c2f649cc24afcbaf877932c53
--- lib/MsgUtils/src/AgentMessage.cpp	(.../AgentMessage.cpp)	(revision 808df723cf9d1b0097796815e5229abfa18f2d8f)
+++ lib/MsgUtils/src/AgentMessage.cpp	(.../AgentMessage.cpp)	(revision a3336c0c40f8c14c2f649cc24afcbaf877932c53)
@@ -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