diff -r 1d2f20938399 -r dda7cb026a2e booklet.tex
--- a/booklet.tex	Tue Jun 02 15:39:26 2015 +0100
+++ b/booklet.tex	Tue Jun 02 15:49:59 2015 +0100
@@ -90,7 +90,7 @@
 shorten the delay to a few days. For the visa you
 will need an invitation letter, which Chunhan will send you
 (\cwemail). You need to provide him with your name, title, 
-work address, e-mail and paper title (if you present a paper). 
+DOB, work address, e-mail and paper title (if you present a paper). 
 He will e-mail you the invitation letter. You might also need
 your hotel booking (see above) and flight details for the visa
 application.