diff --git a/CS/RichEditAPISample/CodeExamples/HeaderAndFooter.cs b/CS/RichEditAPISample/CodeExamples/HeaderAndFooter.cs
index 5435506..c64c331 100644
--- a/CS/RichEditAPISample/CodeExamples/HeaderAndFooter.cs
+++ b/CS/RichEditAPISample/CodeExamples/HeaderAndFooter.cs
@@ -70,7 +70,7 @@ static void ModifyFooter(Document document)
             DocumentRange range = myFooter.InsertText(myFooter.CreatePosition(0), " PAGE NUMBER ");
             Field fld = myFooter.Fields.Create(range.End, "PAGE \\* ARABICDASH");
             myFooter.Fields.Update();
-            firstSection.EndUpdateHeader(myFooter);
+            firstSection.EndUpdateFooter(myFooter);
             // Display the footer of the HeaderFooterType.First type on the first page.
             firstSection.DifferentFirstPage = true;
             #endregion #ModifyFooter