Correct remarks for DataRow.SetModified

See dotnet/runtime#103157

Author: roji

xml/System.Data/DataRow.xml

@@ -3170,7 +3170,7 @@
           <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- Changes the <xref:System.Data.DataRow.RowState*> of a <xref:System.Data.DataRow> to `Modified`. If the current row is not in either an `Unchanged` or an `Added` state, it throws an <xref:System.InvalidOperationException> with the message that `SetModified` can only be invoked on a `DataRow` instance where the `RowState` is `Unchanged`.  
+ Changes the <xref:System.Data.DataRow.RowState*> of a <xref:System.Data.DataRow> to `Modified`. If the current row is not in the `Unchanged` state, this throws an <xref:System.InvalidOperationException> with the message that `SetModified` can only be invoked on a `DataRow` instance where the `RowState` is `Unchanged`.  
   
  ]]></format>
         </remarks>