Fix #998.

CppCoreGuidelines.md

@@ -20670,16 +20670,16 @@ Here is an example of the last option:
     class B {
     protected:
         B() { /* ... */ }
-        virtual void PostInitialize()    // called right after construction
+        virtual void post_initialize()    // called right after construction
             { /* ... */ f(); /* ... */ }   // GOOD: virtual dispatch is safe
     public:
         virtual void f() = 0;
 
         template<class T>
-        static shared_ptr<T> Create()    // interface for creating objects
+        static shared_ptr<T> create()    // interface for creating objects
         {
             auto p = make_shared<T>();
-            p->PostInitialize();
+            p->post_initialize();
             return p;
         }
     };