Added docstrings and fixed typo.
Added docstrings and fixed typo.

wcmckee/nikola,atiro/nikola,xuhdev/nikola,xuhdev/nikola,getnikola/nikola,berezovskyi/nikola,xuhdev/nikola,gwax/nikola,okin/nikola,getnikola/nikola,gwax/nikola,wcmckee/nikola,s2hc-johan/nikola,xuhdev/nikola,atiro/nikola,TyberiusPrime/nikola,masayuko/nikola,andredias/nikola,knowsuchagency/nikola,berezovskyi/nikola,berezovskyi/nikola,s2hc-johan/nikola,masayuko/nikola,okin/nikola,okin/nikola,x1101/nikola,andredias/nikola,wcmckee/nikola,atiro/nikola,s2hc-johan/nikola,x1101/nikola,okin/nikola,TyberiusPrime/nikola,andredias/nikola,getnikola/nikola,getnikola/nikola,masayuko/nikola,TyberiusPrime/nikola,x1101/nikola,knowsuchagency/nikola,knowsuchagency/nikola,gwax/nikola