rfc9204.md

@@ -670,8 +670,10 @@ initiate, at most, one encoder stream and, at most, one decoder stream. Receipt
 of a second instance of either stream type MUST be treated as a connection error
 of type H3_STREAM_CREATION_ERROR.
 
-These streams MUST NOT be closed. Closure of either unidirectional stream type
-MUST be treated as a connection error of type H3_CLOSED_CRITICAL_STREAM.
+The sender MUST NOT close either of these streams, and the receiver MUST NOT
+request that the sender close either of these streams. Closure of either
+unidirectional stream type MUST be treated as a connection error of type
+H3_CLOSED_CRITICAL_STREAM.
 
 An endpoint MAY avoid creating an encoder stream if it will not be used (for
 example, if its encoder does not wish to use the dynamic table or if the maximum