Cant type a "W" by: seed

Put the summary of the bug you're having here

What I expected to happen was...:
That i was able to type a 'W' in the seed menu.

*What actually happened was:
I cant type a "W" but i can type a "w"

Steps to Reproduce:
1. Create a world
2. With the seed type something with a "W"
3. ...