diff --git a/src/net.h b/src/net.h
index 9f486a49ad01d..67e5e93cf70d5 100644
--- a/src/net.h
+++ b/src/net.h
@@ -568,6 +568,9 @@ class CNode
     /* Whether we send addr messages over this connection */
     bool RelayAddrsWithConn() const
     {
+        // Don't relay addr messages to peers that we connect to as block-relay-only
+        // peers (to prevent adversaries from inferring these links from addr
+        // traffic).
         return m_conn_type != ConnectionType::BLOCK_RELAY;
     }