Fix doc

Author: nbpatel

mlir/lib/Dialect/Vector/Transforms/VectorLinearize.cpp

@@ -453,7 +453,7 @@ struct LinearizeVectorSplat final
 ///   %zero = arith.constant 0 : index
 ///   %cmpi = arith.cmpi sgt, %arg0, %zero : index
 ///   %index = arith.index_cast %cmpi : i1 to index
-///   %mul = arith.muli %index, %arg1 : index
+///   %mul = arith.andi %index, %arg1 : index
 ///   %mask = vector.create_mask %mul : vector<4xi1>
 ///   %shape_cast = vector.shape_cast %mask : vector<4xi1> to vector<1x4xi1>
 struct LinearizeVectorCreateMask final