message: Update documentation for Element::traverseInheritance
diff: @@ -555,8 +555,8 @@ class Element : public std::enable_shared_from_this<Element>
  /// @return An InheritanceIterator object.
  /// @details Example usage:
  /// @code
  - /// ElementPtr derivedElem;
  - /// for (ElementPtr elem : inputElem->traverseInheritance())
  + /// ConstElementPtr derivedElem;
  + /// for (ConstElementPtr elem : inputElem->traverseInheritance())
  /// {
  /// if (derivedElem)
  /// cout << derivedElem->asString() << " inherits from " << elem->asString() << endl;
  