diff --git a/docs/picovector.md b/docs/picovector.md
index 60734bf..f0427c0 100644
--- a/docs/picovector.md
+++ b/docs/picovector.md
@@ -93,7 +93,8 @@ my_shape.path((10, 0), (0, 10), (20, 10))
 * `path((x, y), (x2, y2), (x3, y3), ...)`
 
 A path is simply an arbitrary list of points that produce a complete closed
-shape. It's ideal for drawing complex shapes such as logos or icons.
+shape. It's ideal for drawing complex shapes such as logos or icons. The
+shape will be filled.
 
 If you have a list of points you can use Python's spread operator to pass it
 into `path`, eg:
@@ -104,6 +105,14 @@ my_shape = Polygon()
 my_shape.path(*my_points)
 ```
 
+### Line
+
+* `line(x1, y1, x2, y2, thickness)`
+
+Creates a single line from one point to the other, drawn at the specified
+thickness. This is useful if you want to draw a path but do not want it to
+be filled.
+
 ### Rectangle
 
 * `rectangle(x, y, w, h, corners=(r1, r2, r3, r4), stroke=0)`