diff --git a/index.bs b/index.bs
index 178a924e..2ed570c3 100644
--- a/index.bs
+++ b/index.bs
@@ -4580,7 +4580,7 @@ partial interface MLGraphBuilder {
     1. If |shapeA|[|sizeA| - 1] is not equal to |shapeB|[0], then [=exception/throw=] an "{{OperationError}}" {{DOMException}}.
     1. Let |shape| be an array whose size |size| is the maximum of |sizeA| and |sizeB|.
     1. [=map/For each=] |index| in [=the range=] 0 to |size|, exclusive:
-       1. Set |shape|[|index|] to the maximum of |shapeA|[|index|] and |shapeB|[|index|].
+        1. Set |shape|[|index|] to the maximum of |shapeA|[|index|] and |shapeB|[|index|].
     1. Return |shape|.
   </div>
 </details>