Fix xref in System.Type remarks (dotnet#4029)

Author: nxtn

xml/System/Type.xml

@@ -12285,7 +12285,7 @@ Byref-like structures are declared using `ref struct` keyword in C#. An instance
  <format type="text/markdown"><![CDATA[ 
 
 ## Examples 
- The following example demonstrates the `IsContextful`, <xref:System.Type.IsMarshalByRef%2A>, and <xref:System.Type.IsPrimitive%2A> properties of the <xref:System.Type> class. It checks whether the given type can be hosted in the context, whether it can be marshaled by reference, and whether the type is a primitive data type. 
+ The following example demonstrates the <xref:System.Type.IsContextful%2A>, `IsMarshalByRef`, and <xref:System.Type.IsPrimitive%2A> properties of the <xref:System.Type> class. It checks whether the given type can be hosted in the context, whether it can be marshaled by reference, and whether the type is a primitive data type. 
 
  [!code-cpp[Type_IsContextful#1](~/samples/snippets/cpp/VS_Snippets_CLR/Type_IsContextful/CPP/type_iscontextful.cpp#1)]
  [!code-csharp[Type_IsContextful#1](~/samples/snippets/csharp/VS_Snippets_CLR/Type_IsContextful/CS/type_iscontextful.cs#1)]
@@ -13010,7 +13010,7 @@ Byref-like structures are declared using `ref struct` keyword in C#. An instance
 
 
 ## Examples 
- The following example demonstrates the `IsContextful`, <xref:System.Type.IsMarshalByRef%2A>, and <xref:System.Type.IsPrimitive%2A> properties of the <xref:System.Type> class. It checks whether the given type can be hosted in the context, whether it can be marshaled by reference, and whether the type is a primitive data type. 
+ The following example demonstrates the <xref:System.Type.IsContextful%2A>, <xref:System.Type.IsMarshalByRef%2A>, and `IsPrimitive` properties of the <xref:System.Type> class. It checks whether the given type can be hosted in the context, whether it can be marshaled by reference, and whether the type is a primitive data type. 
 
  [!code-cpp[Type_IsContextful#1](~/samples/snippets/cpp/VS_Snippets_CLR/Type_IsContextful/CPP/type_iscontextful.cpp#1)]
  [!code-csharp[Type_IsContextful#1](~/samples/snippets/csharp/VS_Snippets_CLR/Type_IsContextful/CS/type_iscontextful.cs#1)]