diff --git a/index.bs b/index.bs
index 178a924e..d2d4a80e 100644
--- a/index.bs
+++ b/index.bs
@@ -1865,7 +1865,7 @@ partial interface MLGraphBuilder {
     1. If any of the following steps fail, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
         1. Let |desc| be |inputs|[0].{{MLOperand/[[descriptor]]}}.
         1. If |axis| is greater than or equal to the [=rank=] of |desc|, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
-        1. Let |desc|.{{MLOperandDescriptor/dimensions}}[|axis|] be 0.
+        1. Set |desc|.{{MLOperandDescriptor/dimensions}}[|axis|] to 0.
         1. [=map/For each=] |index| in [=the range=] 0 to the [=rank=] of |inputs|, exclusive:
             1. Let |input| be |inputs|[|index|].
             1. If [=validating MLOperand=] given |input| and [=this=] returns false, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
@@ -2402,7 +2402,7 @@ partial interface MLGraphBuilder {
     1. If |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}} is not equal to |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
     1. Let |descriptor| be a new {{MLOperandDescriptor}}.
     1. Set |descriptor|.{{MLOperandDescriptor/dataType}} to |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}.
-    1. Let |descriptor|.{{MLOperandDescriptor/dimensions}} be the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
+    1. Set |descriptor|.{{MLOperandDescriptor/dimensions}} to the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
         1. If that [=exception/throws=] an error, re-[=exception/throw=] the error.
     1. If any of the following sub-steps fail, [=exception/throw=] an "{{OperationError}}" {{DOMException}}.
         1. Let |output| be the result of [=creating an MLOperand=] given [=this=] and |descriptor|.
@@ -2539,7 +2539,7 @@ Although operations *greaterOrEqual* and *lesserOrEqual* can each be implemented
         1. If |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}} is not equal to |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
     1. Let |descriptor| be a new {{MLOperandDescriptor}}.
     1. Set |descriptor|.{{MLOperandDescriptor/dataType}} to {{MLOperandDataType/"uint8"}}.
-    1. Let |descriptor|.{{MLOperandDescriptor/dimensions}} be the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
+    1. Set |descriptor|.{{MLOperandDescriptor/dimensions}} to the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |a|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |b|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
         1. If that [=exception/throws=] an error, re-[=exception/throw=] the error.
     1. If any of the following sub-steps fail, [=exception/throw=] an "{{OperationError}}" {{DOMException}}.
         1. Let |output| be the result of [=creating an MLOperand=] given [=this=] and |descriptor|.
@@ -4876,7 +4876,7 @@ partial interface MLGraphBuilder {
     1. Let |desc| be a copy of |input|.{{MLOperand/[[descriptor]]}}.
     1. If any of the following sub-steps fail, [=exception/throw=] an "{{OperationError}}" {{DOMException}}.
         1. Make a request to the underlying platform to:
-            1. Calculate the output dimensions given |input| and |options|. Let |desc|.{{MLOperandDescriptor/dimensions}} be the result of that.
+            1. Calculate the output dimensions given |input| and |options|. Set |desc|.{{MLOperandDescriptor/dimensions}} to that.
             1. Let |output| be the result of [=creating an MLOperand=] given [=this=] and |desc|.
             1. Let |opImpl| be an [=implementation-defined=] platform operator for the |op| pooling operation, given |options|.
             1. Set |output|.{{MLOperand/[[operator]]}} to |opImpl|.
@@ -4949,7 +4949,7 @@ partial interface MLGraphBuilder {
     1. [=Assert=]: the type of |input| and |slope| is {{MLOperand}}.
     1. Let |descriptor| be a new {{MLOperandDescriptor}}.
     1. Set |descriptor|.{{MLOperandDescriptor/dataType}} to |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}.
-    1. Let |descriptor|.{{MLOperandDescriptor/dimensions}} be the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |slope|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
+    1. Set |descriptor|.{{MLOperandDescriptor/dimensions}} to the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |slope|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
         1. If that [=exception/throws=] an error, re-[=exception/throw=] the error.
     1. If any of the following sub-steps fail, [=exception/throw=] an "{{OperationError}}" {{DOMException}}.
         1. Let |output| be the result of [=creating an MLOperand=] given [=this=] and |descriptor|.
@@ -6096,7 +6096,7 @@ partial interface MLGraphBuilder {
     1. If |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}} is not equal to |other|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}, then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
     1. Let |descriptor| be a new {{MLOperandDescriptor}}.
     1. Set |descriptor|.{{MLOperandDescriptor/dataType}} to |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dataType}}.
-    1. Let |descriptor|.{{MLOperandDescriptor/dimensions}} be the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |other|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
+    1. Set |descriptor|.{{MLOperandDescriptor/dimensions}} to the result of running the [=MLGraphBuilder/broadcast-shapes=] steps given |input|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}} and |other|.{{MLOperand/[[descriptor]]}}.{{MLOperandDescriptor/dimensions}}.
         1. If that [=exception/throws=] an error, re-[=exception/throw=] the error.
     1. If |condition| is not unidirectionally broadcastable to |descriptor|.{{MLOperandDescriptor/dimensions}} according to the [[!numpy-broadcasting-rule]], then [=exception/throw=] a "{{DataError}}" {{DOMException}}.
     1. If any of the following sub-steps fail, [=exception/throw=] an "{{OperationError}}" {{DOMException}}.