Revert "More typos"

This reverts commit 7f657dd22ac20d22698c53b23f0057e1a12c09b7.
Revert "Revert "More typos""

This reverts commit c2fcf1921959762810b3f4d2106db1234df54e3a.
makeCacheMatrix function catching a inverse mATRIX

This Script is a part of Assignment: Caching the Inverse of a Matrix for
Programming Assignment 2