Fix English mistakes in role choosing menus and in command descriptions

[jtbx]

What kind of change does this PR introduce?
Spelling and grammar fixes

Describe the changes proposed in the pull request
I fixed some spelling and English issues that were present in the role choosing menus, and in command descriptions shown in v!help

What is the current behavior?
English issues in role choosing menus and in command descriptions shown in v!help

What is the new behavior
No more spelling/grammar mistakes yay

Does this PR introduce a breaking change?
No

Does this PR introduce changes to the database? No

Other information:

[timelessnesses]

minor spelling mistakes 😭

[justinlime]

LGTM

[logicguy1]

Cant merge due to merge conflicts in minecraft.py :sob:

[jtbx]

Fixed the merge conflict