diff --git a/doc/reference/call_method.qbk b/doc/reference/call_method.qbk
index e8d22f9f..fcf68667 100644
--- a/doc/reference/call_method.qbk
+++ b/doc/reference/call_method.qbk
@@ -30,7 +30,7 @@ class Base
 {
  public:
    virtual char const* class_name() const { return "Base"; }
-   virtual ~Base();
+   virtual ~Base() {};
 };
 
 bool is_base(Base* b)
@@ -58,7 +58,7 @@ BOOST_PYTHON_MODULE(my_module)
 {
     def("is_base", is_base);
 
-    class_<Base,Base_callback, noncopyable>("Base")
+    class_<Base,Base_callback, boost::noncopyable>("Base")
         .def("class_name", &Base_callback::Base_name)
         ;