diff --git a/docx/shading/TSDocxShading.tsf b/docx/shading/TSDocxShading.tsf
index 8057e81..97c9578 100644
--- a/docx/shading/TSDocxShading.tsf
+++ b/docx/shading/TSDocxShading.tsf
@@ -41,10 +41,10 @@ End;
 
 Function TSDocxShading.Apply();virtual;
 Begin
-	shading_.Update();
+	shading_.Update("first");
 End;
 
-// property
+// Properties
 Function TSDocxShading.WriteTexture(value);virtual;
 Begin
 	case value of