Go to System->Status. Click on the button underneath "Product version - See Details".
Look at component SAP_HRCCA. If your release is not 600, 604 or 608, then the note isn't applicable.
If it is, then check the support pack level (SP level). If it is not in the following ranges:
- 600: B5 to D1
- 604: 81 to 97
- 608: 09 to 25
The note is not applicable.