Open the EGPN XML file in Dreamweaver (or Notepad++) and CTRL+F:
<UniqueName>Paul von Lettow-Vorbeck</UniqueName>
Add this line afterwards:
<UniqueName>Paul von Hindenburg</UniqueName>
Then Save.
You'll have to do this each time the file is updated.
Anyways, I understand what you mean.
Not particularly about WWI, but in general about being a history hipster, and taking a more academic approach instead of the pop-culture approach that other games tend to take
(looking at you, Civ5, for your horribly inaccurate Civilopedia, and at you, SEGA and Total War, for hiring Stephen Turnbull as a historical consultant.) which I wholly accept.
Personally, I paint and draw, and I have a lot of paintings to do this week, which is very stressful, so I understand as well.
About iOnlySignIn, he just quit participating on the subforum.
But I can't take credit for something someone else started, so he'll still be credited.
I take a heavy line on plagiarism being an artist myself.
(Which reminds me that I need a .txt file logging in contributors for this modmodmod)