fix typo in interface.go
@@ -114,7 +114,7 @@ type TrianglesClipped interface {
// Picture represents a rectangular area of raster data, such as a color. It has Bounds which
// specify the rectangle where data is located.
type Picture interface {
- // Bounds returns the rectangle of the Picture. All data is located witih this rectangle.
+ // Bounds returns the rectangle of the Picture. All data is located witin this rectangle.
// Querying properties outside the rectangle should return default value of that property.
Bounds() Rect
}
