diff --git a/docs/ORIN-RUNTIME.md b/docs/ORIN-RUNTIME.md
index 9a23eba..dbe8767 100644
--- a/docs/ORIN-RUNTIME.md
+++ b/docs/ORIN-RUNTIME.md
@@ -161,6 +161,11 @@ play" player.** It works, and it forecloses streaming permanently — the receiv
 has no way to begin before the last byte. The chunk boundary is what keeps both
 TTS modes available.
 
+What *is* fine early on: a receiver that buffers chunks and plays on the
+terminator. The wire format is already the streaming one, so moving to playback
+on the first chunk is a change to the receiver alone. Streaming playback is the
+end state.
+
 ### The transport is testable with no real TTS
 
 Audio is the lowest-priority part of the system, but its transport does not have