fix: typos in documentation files

[leopardracer]

This pull request contains changes to improve clarity, correctness and structure.

Description correction:
Corrected empolyed to employed
Corrected Evalution to Evaluation
Corrected efficent to efficient
Corrected verifing to verifying
Corrected commited to committed
Corrected vaild to valid
Corrected premitive to primitive

Perhaps you don't accept typos, but I would like to be helpful to you.
Please review the changes and let me know if any additional changes are needed.

[leopardracer]

@anonymousGiga 😅