diff --git a/docs/latex/wx/classes.tex b/docs/latex/wx/classes.tex
index fcfd8a6e6b..60d8b51378 100644
--- a/docs/latex/wx/classes.tex
+++ b/docs/latex/wx/classes.tex
@@ -5,6 +5,7 @@
 % NB: the files should be in alphabetic order of the classes documented in
 %     them and *not* in alphabetic order of the file names!
 
+\input aboutdlginfo.tex
 \input accel.tex
 \input accessible.tex
 \input activevt.tex