fix(sample): region tag

[pmakani]

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Fixes #519

[codecov]

Codecov Report

Merging #544 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #544   +/-   ##
=========================================
  Coverage     81.49%   81.49%           
  Complexity     1226     1226           
=========================================
  Files            77       77           
  Lines          6220     6220           
  Branches        691      691           
=========================================
  Hits           5069     5069           
  Misses          792      792           
  Partials        359      359           

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