Here is an example of how the Nigerian scammer fails to check the text of the scam email that he sends out.
This one purportedly comes from Coca Cola:
Your email address has won YOU Sum of £750,000.00 GBP the ongoing Coca Cola Bottling Company New Year Promotion United Kingdom.
For claims provide;
To file for your claim, please contact our fiduciary agent:
Contact: Dr. Henry Jerry
Aside from the poor grammar, the scammer made one fundamental error in the header of the email:
COLA COCA award PROMOTION