Minor fix for displaying * in readme file

[agbanil]

This is a very tiny PR that fixes the * display in the readme, which is currently not being displayed.

[codecov-io]

Codecov Report

Merging #363 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #363   +/-   ##
=========================================
  Coverage     77.59%   77.59%           
  Complexity      135      135           
=========================================
  Files             7        7           
  Lines           366      366           
=========================================
  Hits            284      284           
  Misses           82       82

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[shalvah]

Thanks.