Update draft-ietf-quic-transport.md

Co-Authored-By: janaiyengar <jri.ietf@gmail.com>

draft-ietf-quic-transport.md

@@ -1469,7 +1469,7 @@ addresses.  In determining this limit, servers only count the size of
 successfully processed packets.
 
 Clients MUST ensure that UDP datagrams containing Initial packets are sized to
-at least 1200 bytes, padding packets in the datagram if necessary.  Once a
+at least 1200 bytes, adding padding to packets in the datagram as necessary.  Once a
 client has received an acknowledgment for a Handshake packet it MAY send smaller
 datagrams.  Sending padded datagrams ensures that the server is not overly
 constrained by the amplification restriction.