Fix typos and formatting in README

[DimitarVanguelov]

This PR proposes fixes to a couple of typos plus some minor formatting changes. The main typo is accessing the name metadata from a table object. The other typo is fixing the word "benefit" in one of the comments. This is a fix for issue #61

[codecov]

Codecov Report

Merging #62 (0c2048e) into master (91e64c3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #62   +/-   ##
=======================================
  Coverage   90.90%   90.90%           
=======================================
  Files           2        2           
  Lines         143      143           
=======================================
  Hits          130      130           
  Misses         13       13           

Flag	Coverage Δ
unittests	90.90% <ø> (ø)

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