My Rulebook wrote:
"Amun-Re is an auction and optimization game that reveals its depth as the ages of the game progress!"
Anyway, no real problem, I will print the newest edition, and discard my "deprecated old" rulebook.
I'm also making a translated favor cards Reference in Spanish based on the PDF, that's how I noticed the differences.
I was merely curious, I just bought it from Amazon and thought I would receive the latest version.
Thanks for the input Christopher.