diff --git a/docs/latex/wx/classes.tex b/docs/latex/wx/classes.tex
index 646ee733c3..04e966ef43 100644
--- a/docs/latex/wx/classes.tex
+++ b/docs/latex/wx/classes.tex
@@ -46,6 +46,7 @@
 \input ipcconn.tex
 \input cshelp.tex
 \input control.tex
+\input ctrlsub.tex
 \input countstr.tex
 \input critsect.tex
 \input crtslock.tex