Make example command runnable

[dils2k]

When I tried to copy and run the command from README, I got an error. This commit fixes the command and makes it runnable straight from the copy button.

[CLAassistant]

All committers have signed the CLA.

[dils2k]

@BelfordZ

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.57%. Comparing base (32b6145) to head (2d7c3ca).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #711   +/-   ##
=======================================
  Coverage   99.57%   99.57%           
=======================================
  Files           6        6           
  Lines         236      236           
  Branches       35       35           
=======================================
  Hits          235      235           
  Misses          1        1           

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[BelfordZ]

@dils2k thank you !