diff --git a/index.src.html b/index.src.html
index 2d6cb6ae..b455053e 100644
--- a/index.src.html
+++ b/index.src.html
@@ -3663,7 +3663,7 @@
|init|.{{VideoFrameBufferInit/codedWidth}},
|init|.{{VideoFrameBufferInit/codedHeight}}, and
|init|.{{VideoFrameBufferInit/format}}.
-6. If |parsedRect| is an exception, return |parsedRect|.
+6. If |parsedRect| is an exception, throw |parsedRect|.
7. Let |optLayout| be `undefined`.
8. If |init|.{{VideoFrameBufferInit/layout}} [=map/exists=], assign its value
to |optLayout|.