T-shirt schematic

[Rpschultz13]

So I got this T-shirt for my birthday, very cool! But I’m looking at it and they used a 7806 to create +/-5V !?! Am I missing something?
And no protection diode on the negative side?

 

[JohnnyCreepy]

Fix the schematic with white textil painter pen! There’s no other option.

 

[BuddytheReow]

Happy Birthday!