diff --git a/documentation/drawing.html b/documentation/drawing.html
index 2a8a99d5e..85d8979c1 100644
--- a/documentation/drawing.html
+++ b/documentation/drawing.html
@@ -294,9 +294,9 @@ x3, int y3)
Fill a 3 or 4-sided polygon. The polygon must be convex.
-
void fl_xyline(int x, int y, int x1, int y1)
-
void fl_xyline(int x, int y, int x1, int y1, int x2)
-
void fl_xyline(int x, int y, int x1, int y1, int x2, int y3)
+void fl_xyline(int x, int y, int x1)
+
void fl_xyline(int x, int y, int x1, int y2)
+
void fl_xyline(int x, int y, int x1, int y2, int x3)
Draw horizontal and vertical lines. A horizontal line is
drawn first, then a vertical, then a horizontal.