The datasheet says that program memory supports at least 10,000 cycles. This is 10 times less than the number of cycles for the EEPROM memory, but still more then most people are likely to encounter.
I wouldn't worry about it at all. 
The datasheet says that program memory supports at least 10,000 cycles. This is 10 times less than the number of cycles for the EEPROM memory, but still more then most people are likely to encounter.
I wouldn't worry about it at all.