Issue13073 - Address review comments and add versionchanged information in the docs.
diff --git a/Lib/httplib.py b/Lib/httplib.py
index ccd4234..9853285 100644
--- a/Lib/httplib.py
+++ b/Lib/httplib.py
@@ -939,10 +939,10 @@
"""Indicate that the last header line has been sent to the server.
This method sends the request to the server. The optional
- message_body argument can be used to pass message body
+ message_body argument can be used to pass a message body
associated with the request. The message body will be sent in
- the same packet as the message headers if possible. The
- message_body should be a string.
+ the same packet as the message headers if it is string, otherwise it is
+ sent as a separate packet.
"""
if self.__state == _CS_REQ_STARTED:
self.__state = _CS_REQ_SENT