Adds missing link to Readme href

[ajsharma]

Updates "You're [probably] doing it wrong." image to point to the article.

So that it doesn't lead to a 404 and is the same behavior as the other images in the readme.

[codecov]

Codecov Report

Merging #1647 into dev will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##                dev    #1647   +/-   ##
=========================================
  Coverage     70.11%   70.11%           
  Complexity      561      561           
=========================================
  Files            26       26           
  Lines          2118     2118           
  Branches        296      296           
=========================================
  Hits           1485     1485           
  Misses          487      487           
  Partials        146      146           

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