diff --git a/draft-ietf-quic-invariants.md b/draft-ietf-quic-invariants.md
index f98ef3f89e..8230b4129c 100644
--- a/draft-ietf-quic-invariants.md
+++ b/draft-ietf-quic-invariants.md
@@ -248,8 +248,8 @@ at lower protocol layers (UDP, IP, and below) do not cause packets for a QUIC
 connection to be delivered to the wrong QUIC endpoint.  The connection ID
 is used by endpoints and the intermediaries that support them to ensure that
 each QUIC packet can be delivered to the correct instance of an endpoint.  At
-the endpoint, the connection ID is used to identify which QUIC connection the
-packet is intended for.
+the endpoint, the connection ID is used to identify the QUIC connection for
+which the packet is intended.
 
 The connection ID is chosen by each endpoint using version-specific methods.
 Packets for the same QUIC connection might use different connection ID values.