diff --git a/doc/articles/image_draw.html b/doc/articles/image_draw.html
index 848b659822..b1adbc53ab 100644
--- a/doc/articles/image_draw.html
+++ b/doc/articles/image_draw.html
@@ -178,7 +178,7 @@ To draw an image through a circular mask with center <code>p</code> and radius
 <code>r</code>:
 </p>
 
-{{code "/doc/progs/image_draw.go" `/CIRCLE/` `/STOP/`}}
+{{code "/doc/progs/image_draw.go" `/CIRCLESTRUCT/` `/STOP/`}}
 {{code "/doc/progs/image_draw.go" `/CIRCLE2/` `/STOP/`}}
   
 <p>
diff --git a/doc/progs/image_draw.go b/doc/progs/image_draw.go
index f3400b601b..2cc5c632f3 100644
--- a/doc/progs/image_draw.go
+++ b/doc/progs/image_draw.go
@@ -117,7 +117,7 @@ func Glyph() {
 	// STOP OMIT
 }
 
-//CIRCLE OMIT
+//CIRCLESTRUCT OMIT
 type circle struct {
 	p image.Point
 	r int
@@ -139,4 +139,4 @@ func (c *circle) At(x, y int) color.Color {
 	return color.Alpha{0}
 }
 
-//STOP
+//STOP OMIT