diff --git a/about/authors/contact.en.tm b/about/authors/contact.en.tm
index 066cf7c..34fe8db 100644
--- a/about/authors/contact.en.tm
+++ b/about/authors/contact.en.tm
@@ -1,6 +1,6 @@
-<TeXmacs|1.99.9>
+<TeXmacs|2.1.1>
 
-<style|<tuple|tmdoc|english|old-spacing>>
+<style|<tuple|tmdoc|english|old-spacing|old-dots|old-lengths>>
 
 <\body>
   <tmdoc-title|Contacting us>
@@ -36,7 +36,7 @@
   <\quote-env>
     <\compact>
       <\verbatim>
-        dtexmacs-users@texmacs.org
+        texmacs-users@texmacs.org
 
         texmacs-info@texmacs.org
 
@@ -45,7 +45,7 @@
     </compact>
   </quote-env>
 
-  <tmdoc-copyright|1998--2019|Joris van der Hoeven>
+  <tmdoc-copyright|1998\U2019|Joris van der Hoeven>
 
   <tmdoc-license|Permission is granted to copy, distribute and/or modify this
   document under the terms of the GNU Free Documentation License, Version 1.1