diff --git a/interface/wx/treectrl.h b/interface/wx/treectrl.h
index 1138f59d3f..f6ca003521 100644
--- a/interface/wx/treectrl.h
+++ b/interface/wx/treectrl.h
@@ -371,6 +371,9 @@ public:
 
     /**
         Scrolls and/or expands items to ensure that the given item is visible.
+
+        This method can be used, and will work, even while the window is frozen
+        (see wxWindow::Freeze()).
     */
     virtual void EnsureVisible(const wxTreeItemId& item);
 
@@ -797,6 +800,11 @@ public:
 
     /**
         Scrolls the specified item into view.
+
+        Note that this method doesn't work while the window is frozen (See
+        wxWindow::Freeze()), at least under MSW.
+
+        @see EnsureVisible()
     */
     virtual void ScrollTo(const wxTreeItemId& item);