diff --git a/dsdl/uavcan/protocol/550.NodeStatus.uavcan b/dsdl/uavcan/protocol/550.NodeStatus.uavcan
index 386db1a353..49dad14703 100644
--- a/dsdl/uavcan/protocol/550.NodeStatus.uavcan
+++ b/dsdl/uavcan/protocol/550.NodeStatus.uavcan
@@ -1,6 +1,6 @@
 #
 # Abstract node status information.
-# Must be published periodically.
+# Any UAVCAN node is required to publish this message periodically.
 #
 
 uint16 PUBLICATION_PERIOD_MS = 1000