diff --git a/index.bs b/index.bs
index 170e83f9..0bd93e74 100644
--- a/index.bs
+++ b/index.bs
@@ -2966,10 +2966,9 @@ partial interface MLGraphBuilder {
1. If |options|.{{MLGemmOptions/aTranspose}} is true, then reverse the order of the items in |shapeA|.
1. If |options|.{{MLGemmOptions/bTranspose}} is true, then reverse the order of the items in |shapeB|.
1. If |shapeA|[1] is not equal to |shapeB|[0], then [=exception/throw=] a {{TypeError}}.
- 1. If |options|.{{MLGemmOptions/c}} [=map/exists=] and is not [=unidirectionally broadcastable=] to the shape « |shapeA|[0], |shapeB|[1] », then [=exception/throw=] a {{TypeError}}.
-
- Type compatibility between |a|, |b| and |options|.{{MLGemmOptions/c}} can be also checked.
-
+ 1. If |options|.{{MLGemmOptions/c}} [=map/exists=]:
+ 1. If it is not [=unidirectionally broadcastable=] to the shape « |shapeA|[0], |shapeB|[1] », then [=exception/throw=] a {{TypeError}}.
+ 1. If its [=MLOperand/dataType=] is not equal to |a|'s [=MLOperand/dataType=], then [=exception/throw=] a {{TypeError}}.
1. Let |desc| be a new {{MLOperandDescriptor}}.
1. Set |desc|.{{MLOperandDescriptor/dimensions}} to the [=/list=] « |shapeA|[0], |shapeB|[1] ».
1. Set |desc|.{{MLOperandDescriptor/dataType}} to |a|'s [=MLOperand/dataType=].