diff --git a/src/c3nav/mesh/messages.py b/src/c3nav/mesh/messages.py
index ca02ec16..0224fd41 100644
--- a/src/c3nav/mesh/messages.py
+++ b/src/c3nav/mesh/messages.py
@@ -133,7 +133,7 @@ class MeshRouteTraceMessage(discriminator_value(msg_type=MeshMessageType.MESH_RO
 
 
 class MeshRoutingFailedMessage(discriminator_value(msg_type=MeshMessageType.MESH_ROUTING_FAILED), BaseModel):
-    """ TODO description"""
+    """ indicates that a message to the given address couldn't be routed """
     address: MacAddress