Fixes a typo in docs README
Fixes a typo in docs README

Documentation was misspelled. This fixes it.
berserkr/HElib,AlexanderViand/HElib,AlexanderViand/HElib,shaih/HElib,shaih/HElib,AlexanderViand/HElib,shaih/HElib,berserkr/HElib,berserkr/HElib