diff --git a/docs/mcp.md b/docs/mcp.md
index 864a1af92..5fab5134a 100644
--- a/docs/mcp.md
+++ b/docs/mcp.md
@@ -2405,7 +2405,7 @@ and weight of the characters of each object given (without `start` and `end`: al
 one undo step; `strokeWidth` is in document points, as `stroke.set` gives the weight of scaled type. A `stroke` color
 without `strokeWidth` gives characters that have no stroke weight 1 pt, as `paint.setStroke` does.
 `text.setRangeStyle` does the same for its range, and its `strokeWidth` and `strokeOptions` lengths are in document
-points too.
+points too. The 1 pt default of both commands is in the type's own units, so on type scaled to 200% it draws 2 pt wide.
 `align: "inside"|"outside"` keeps the characters' stroke on that side of the
 glyph outlines, drawn at twice the weight and clipped, while the type stays editable (beyond Illustrator); SVG export
 writes the text live and that stroke as glyph outlines over it. `inspect_document` reports each object's stroke as `strokeOptions` (type: its first