[Chips] Use correct title label text property in README.md

[heinberg]

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[codecov-io]

Codecov Report

Merging #2776 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           develop   #2776   +/-   ##
=======================================
  Coverage     48.2%   48.2%           
=======================================
  Files          165     165           
  Lines        24651   24651           
  Branches      1077    1077           
=======================================
  Hits         11882   11882           
  Misses       12701   12701           
  Partials        68      68

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[ajsecord]

Thanks!