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diff --git a/Bachelor/Prog1/examples/ch05/Fig05_13.cpp b/Bachelor/Prog1/examples/ch05/Fig05_13.cpp
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+++ b/Bachelor/Prog1/examples/ch05/Fig05_13.cpp
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+// Fig. 5.13: fig05_13.cpp

+// Attempting to modify a constant pointer to

+// non-constant data.

+

+int main()

+{

+   int x, y;

+

+   // ptr is a constant pointer to an integer that can

+   // be modified through ptr, but ptr always points to the 

+   // same memory location.

+   int * const ptr = &x; 

+

+   *ptr = 7;  // allowed: *ptr is not const

+   ptr = &y;  // error: ptr is const; cannot assign new address

+

+   return 0;  // indicates successful termination

+

+} // end main

+

+/**************************************************************************

+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *

+ * Hall. All Rights Reserved.                                             *

+ *                                                                        *

+ * DISCLAIMER: The authors and publisher of this book have used their     *

+ * best efforts in preparing the book. These efforts include the          *

+ * development, research, and testing of the theories and programs        *

+ * to determine their effectiveness. The authors and publisher make       *

+ * no warranty of any kind, expressed or implied, with regard to these    *

+ * programs or to the documentation contained in these books. The authors *

+ * and publisher shall not be liable in any event for incidental or       *

+ * consequential damages in connection with, or arising out of, the       *

+ * furnishing, performance, or use of these programs.                     *

+ *************************************************************************/