Documentation Improvements - Chapter 04 (#3698)
Documentation Improvements - Chapter 04 (#3698)

* Split Chapter 02 into shorter lines for easier editing.

* Improved the grammar of Chapter 02.

* Split Chapter 03 into shorter lines for easier editing.

* Improved the grammar of Chapter 03.

* Split Chapter 04 into shorter lines for easier editing.

* Improved the grammar of Chapter 04.
Corrected some inaccuracies.

Codeception/base,Codeception/Codeception,hubbyist/Codeception,sergeyklay/Codeception,Naktibalda/Codeception,tasselchof/Codeception,tasselchof/Codeception,janhenkgerritsen/Codeception,kt81/Codeception,tiger-seo/Codeception,Naktibalda/Codeception,Vreasy/Codeception,pitpit/Codeception,Codeception/base,tasselchof/Codeception,Codeception/base,tiger-seo/Codeception,pitpit/Codeception,Naktibalda/Codeception,sergeyklay/Codeception,janhenkgerritsen/Codeception,Codeception/Codeception,kt81/Codeception,hubbyist/Codeception,Vreasy/Codeception