diff --git a/docs/scarpet/api/Auxiliary.md b/docs/scarpet/api/Auxiliary.md
index 3a0bbc30..9148fb78 100644
--- a/docs/scarpet/api/Auxiliary.md
+++ b/docs/scarpet/api/Auxiliary.md
@@ -80,7 +80,7 @@ Optional shared shape attributes:
  in the form of `0xRRGGBBAA`, with the default of `-1`, so white opaque, or `0xFFFFFFFF`.
  * `player` - name or player entity to send the shape to. If specified, the shapes will appear only for the specified
  player, otherwise it will be send to all players in the dimension.
- * `line` - line thickness, defaults to 2.0pt
+ * `line` - (Deprecated) line thickness, defaults to 2.0pt. Not supported in 1.17's 3.2 core GL renderer.
  * `fill` - color for the faces, defaults to no fill. Use `color` attribute format
  * `follow` - entity, or player name. Shape will follow an entity instead of being static.
    Follow attribute requires all positional arguments to be relative to the entity and disallow