minor #5710 [typo] add correct backquotes (PhilETaylor)
minor #5710 [typo] add correct backquotes (PhilETaylor)

This PR was squashed before being merged into the 2.19 branch.

Discussion
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[typo] add correct backquotes

sorry found ~another~ more typos of backquotes while reading in bed :)

Commits
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cf2fbf6db [typo] add correct backquotes

FriendsOfPHP/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,keradus/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,keradus/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer