Fit example to style guide

[codecov[bot]]

Codecov Report

Merging #234 (a2e0422) into master (677c9d5) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #234   +/-   ##
=======================================
  Coverage   73.58%   73.58%           
=======================================
  Files          32       32           
  Lines        6186     6186           
=======================================
  Hits         4552     4552           
  Misses       1634     1634           

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[cormullion]

Thanks!