1 files changed, 1 insertions, 1 deletions

diff --git a/draft-summermatter-set-union-01.xml b/draft-summermatter-set-union-01.xml
index 7f1071d..6261c39 100644
--- a/draft-summermatter-set-union-01.xml
+++ b/draft-summermatter-set-union-01.xml
@@ -16,7 +16,7 @@
 <?rfc sortrefs="yes" ?>
 <?rfc compact="yes" ?>
 <?rfc subcompact="no" ?>
-<rfc category="info" docName="draft-summermatter-set-union-01" ipr="trust200902"
+<rfc xmlns:xi="http://www.w3.org/2001/XInclude" category="info" docName="draft-summermatter-set-union-01" ipr="trust200902"
      obsoletes="" updates="" submissionType="IETF" xml:lang="en" version="3">
     <!-- xml2rfc v2v3 conversion 2.26.0 -->
     <front>