To reproduce notice the compilation logs. You can then open the offending file and run M-x elisp-byte-compile-buffer before and after the changes to see the warning is removed.
Warning (comp): request.el:331:2: Warning: docstring has wrong usage of unescaped single quotes (use \= or different quoting)
To reproduce notice the compilation logs. You can then open the offending file and run
M-x elisp-byte-compile-bufferbefore and after the changes to see the warning is removed.