TXT_KEY_LEADER Error

[mir092]

I am a first time modder adding my own leader, by following this guide:
http://forums.civfanatics.com/showthread.php?t=262402

I have followed the guide to the letter, but instead of the images in the civilpedia, I get
TXT_KEY_LEADER_***********

 

[topsecret]

Could you post:
1. A screenshot of the problem
And
2. The XML for your leader.