diff --git a/interface.go b/interface.go
index 86cb037e305ec4b7f47b90052b72dd249c3566c4..27c4f0e641d3511d1765b0a18a9520603715638d 100644
--- a/interface.go
+++ b/interface.go
@@ -7,7 +7,7 @@ import "image/color"
 // You can notice, that there are no "drawing" methods in a Target. That's because all drawing
 // happens indirectly through Triangles instance generated via MakeTriangles method.
 //
-// If no transforms are applied, the drawing are of a Target is the rectangle (-1, -1, +1, +1).
+// If no transforms are applied, the drawing area of a Target is the rectangle (-1, -1, +1, +1).
 type Target interface {
 	// MakeTriangles generates a specialized copy of the provided Triangles.
 	//