Typo in the word 'responsible'

[Fedor Pashin]

site/_site/chapters/002_never_make_class_final.html

Line 109 in 029f055

 happen with highly-cohesive and single-responcible class like <code class="highlighter-rouge">TeeInput</code> but still it is possible.</li> 

[Kapralov Sergey]

Fixed. Thanks for reporting.