1 files changed, 2 insertions, 1 deletions

diff --git a/README.md b/README.md
index 719fb0e8..350cd24e 100644
--- a/README.md
+++ b/README.md
@@ -345,7 +345,8 @@ Valid formats are `json` and `binary`.
 **Response**
 
 If the format was changed successfully, the `status` in the response will be
-`true`. The response will be in the new message format.
+`true`. The response will be in the original message format, and all subsequent
+messages will be in the new format.
 
     { "command_response": "message_format", "status": true}