diff --git a/draft-nbourbaki-6man-classless-ipv6.xml b/draft-nbourbaki-6man-classless-ipv6.xml
index 36cd501..038f94d 100644
--- a/draft-nbourbaki-6man-classless-ipv6.xml
+++ b/draft-nbourbaki-6man-classless-ipv6.xml
@@ -37,8 +37,8 @@
     <t>Over the history of IPv6, various classful address models have been
     proposed, none of which has withstood the test of time.  The last
     remnant of IPv6 classful addressing is a rigid network interface
-    identifier boundary at /64.  This document removes that boundary for
-    routing and interface addressing.</t>
+    identifier boundary at /64.  This document removes the fixed position of
+    that boundary for interface addressing.</t>
 
     </abstract>
 
@@ -66,8 +66,8 @@
     Aggregation (TLA) and Next-Level Aggregation (NLA) Identifiers <xref
     target="RFC2450"/>, but was obsoleted by <xref target="RFC3587"/>, leaving
     a single remnant of classful addressing in IPv6: a rigid network
-    interface identifier boundary at /64.  This document removes that
-    boundary for interface addressing.</t>
+    interface identifier boundary at /64.  This document removes the fixed
+    position of that boundary for interface addressing.</t>
 
     <t>Recent proposed changes to the IP Version 6 Addressing Architecture
     specification <xref target="RFC4291"/> have caused controversy.