Update draft-ietf-quic-multipath.md

Co-authored-by: Kazuho Oku <[email protected]>

draft-ietf-quic-multipath.md

@@ -545,7 +545,7 @@ in {{Section 8.2 of QUIC-TRANSPORT}}. An endhost SHOULD NOT send
 non-probing frames on a path in "Validating" state, as it has no
 guarantee that packets will actually reach the peer, with an exception
 of the ACK_MP frame. An endhost MAY bundle the ACK_MP frame with the
-PATH_RESPONSE frame; in this case it is RECOMMANDED to consider
+PATH_RESPONSE frame; in this case it is RECOMMENDED to consider
 the acknowledgement information as opportunistic and repeat
 the acknowledged packet ranges in the next ACK_MP frame.
 Alternatively ACK_MP frames can be sent any other active path.