Try to fix wrong visibility in docs

Author: baruchiro

docs/cpp/pointers-to-members.md

@@ -77,7 +77,7 @@ int main()
 }  
 ```  
 
- In the preceding example, `pwCaption` is a pointer to any member of class `Window` that has type **char\***. The type of `pwCaption` is `char * Window::*`. The next code fragment declares pointers to the `SetCaption` and `GetCaption` member functions.  
+ In the preceding example, `pwCaption` is a pointer to any member of class `Window` that has type **char\***. The type of `pwCaption` is `char * Window::* `. The next code fragment declares pointers to the `SetCaption` and `GetCaption` member functions.  
 
 ```  
 const char * (Window::*pfnwGC)() = &Window::GetCaption;  
@@ -174,4 +174,4 @@ Print function for class Derived
 ```  
 
 ## See Also  
- 
+