diff --git a/crates/mcp/src/ui_catalog.rs b/crates/mcp/src/ui_catalog.rs
index dcde7c5076..bbbe62c81d 100644
--- a/crates/mcp/src/ui_catalog.rs
+++ b/crates/mcp/src/ui_catalog.rs
@@ -1324,7 +1324,7 @@ pub const UI_COMMANDS: &[(&str, &str, &str, &str)] = &[
         "file.exportAs",
         "Export As…",
         "",
-        "{format?, useArtboards?, range?} opens Export As (then the format's options); with {path, …document.export options} writes the file(s) → {path, warnings, files?}",
+        "{format?, useArtboards?, range?} opens Export As (then the format's options); with {path, …document.export options} writes the file(s) → {path, warnings, files?}; under automation read roots, an SVG or SVGZ is refused while the document links a JavaScript file outside them, as document.export refuses it",
     ),
     (
         "ui.fileInfoDialog",