Small typo in README
Small typo in README

Corrected small typo.
wking/swc-amy,swcarpentry/amy,wking/swc-amy,wking/swc-amy,vahtras/amy,swcarpentry/amy,vahtras/amy,swcarpentry/amy,vahtras/amy,pbanaszkiewicz/amy,pbanaszkiewicz/amy,wking/swc-amy,pbanaszkiewicz/amy