diff --git a/docs/latex/wx/treectrl.tex b/docs/latex/wx/treectrl.tex
index eddf81f653..ec55d74353 100644
--- a/docs/latex/wx/treectrl.tex
+++ b/docs/latex/wx/treectrl.tex
@@ -45,6 +45,7 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument.
 \twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{Delete an item.}
 \twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.}
 \twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.}
+\twocolitem{{\bf EVT\_TREE\_ITEM\_ACTIVATED(id, func)}}{The item has been activated, i.e. chosen by double clicking it with mouse or from keyboard}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{Parent has been expanded.}
 \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{Parent is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}