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-rw-r--r--wiretap/wtap.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/wiretap/wtap.h b/wiretap/wtap.h
index f5e9a13503..b4309903ac 100644
--- a/wiretap/wtap.h
+++ b/wiretap/wtap.h
@@ -378,7 +378,12 @@ extern "C" {
/*
* We support one maximum packet size for most link-layer header types
* and another for D-Bus, because the maximum packet size for D-Bus
- * is 128MB, and that's a lot bigger than the 256KB that we use elsewhere.
+ * is 128MB, as per
+ *
+ * https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages
+ *
+ * and that's a lot bigger than the 256KB that we use elsewhere.
+ *
* We don't want to write out files that specify a maximum packet size of
* 128MB if we don't have to, as software reading those files might
* allocate a buffer much larger than necessary, wasting memory.