diff --git a/docs/latex/wx/treedata.tex b/docs/latex/wx/treedata.tex
index 80ab77523e..72553e6551 100644
--- a/docs/latex/wx/treedata.tex
+++ b/docs/latex/wx/treedata.tex
@@ -61,7 +61,7 @@ Virtual destructor.
 
 \membersection{wxTreeItemData::GetId}\label{wxtreeitemdatagetid}
 
-\func{const wxTreeItem\&}{GetId}{\void}
+\func{const wxTreeItemId\&}{GetId}{\void}
 
 Returns the item associated with this node.