smaller edits to align updated text

draft-kuehlewind-iab-rfc4053bis.md

@@ -247,17 +247,16 @@ from other organisations.
    more or less important to the receiver depending on its contents and
    the expertise of the sender.  If the liaison statement seeks to
    influence the direction of a WG's development, it should receive the
-   same consideration that any temporary document receives.  The WG
-   chair may request the sender's contacts to make their case to the
+   same consideration that any input document receives.  The WG
+   chair may request the sender to make their case to the
    IETF WG in the same manner that an author of an internet draft makes
    his or her case.
 
    The urgency of a liaison statement is usually reflected in its
-   deadline.  A liaison statement for informational purposes may have no
+   deadline.  A liaison statement for informational purposes has no
    deadline; in such a case, a courteous "thank you" liaison statement
-   is necessary to inform the sender that the liaison statement was
-   received.  The WG may then inform itself of the contents and close
-   the document.  A liaison statement specifying a deadline, however,
+   may be sent to inform the sender that the liaison statement was
+   received.  A liaison statement specifying a deadline, however,
    gives the receiver a finite opportunity to influence the activity of
    another body; if it fails to react in a timely fashion, it may miss
    the opportunity.