diff --git a/IO/Infovis/vtkDelimitedTextReader.h b/IO/Infovis/vtkDelimitedTextReader.h
index 71681f0dc805dea10c86de26ea45819edc5842d2..ed4a22ebb656107305399282fc5f9108f64f2dcc 100644
--- a/IO/Infovis/vtkDelimitedTextReader.h
+++ b/IO/Infovis/vtkDelimitedTextReader.h
@@ -158,6 +158,7 @@ public:
 
   // Description:
   // Set/get whether to treat the first line of the file as headers.
+  // The default is false (no headers).
   vtkGetMacro(HaveHeaders, bool);
   vtkSetMacro(HaveHeaders, bool);