diff --git a/specs/XKB/acknowledgement.xml b/specs/XKB/acknowledgement.xml
index 2977999c..4ecb798c 100644
--- a/specs/XKB/acknowledgement.xml
+++ b/specs/XKB/acknowledgement.xml
@@ -24,12 +24,20 @@ not only for the quality of this document, but for the quality of the
 Keyboard extension itself.
 </para>
 <para>
+<literallayout>
 Matt Landau
-</para>
-<para>
 Manager, X Window System
-</para>
-<para>
 X Consortium Inc.
+</literallayout>
 </para>
+<simplesect>
+<title>X Version 11, Release 7 addendum</title>
+<para>
+This document is made available to you in modern formats such as HTML and PDF
+thanks to the efforts of Matt Dew, who converted the original troff sources to
+DocBook/XML and edited them into shape; Fernando Carrijo, who converted the
+images to SVG format; and Gaetan Nadon, who set up the formatting machinery in
+the libX11 builds and performed further editing of the DocBook markup.
+</para>
+</simplesect>
 </preface>
diff --git a/specs/libX11/credits.xml b/specs/libX11/credits.xml
index c8fdfecb..c3d1f738 100644
--- a/specs/libX11/credits.xml
+++ b/specs/libX11/credits.xml
@@ -224,4 +224,14 @@ Massachusetts Institute of Technology
 </literallayout>
 </para>
 </simplesect>
+<simplesect>
+<title>Release 7</title>
+<para>
+This document is made available to you in modern formats such as HTML and PDF
+thanks to the efforts of Matt Dew, who converted the original troff sources to
+DocBook/XML and edited them into shape; along with Gaetan Nadon and
+Alan Coopersmith, who set up the formatting machinery in the libX11 builds and
+performed further editing of the DocBook markup.
+</para>
+</simplesect>
 </preface>