nix run nixpkgs#silver-searcher -- -G '\.nix$' -0l 'description.*"[Aa]n?' pkgs \ | xargs -0 nix run nixpkgs#gnused -- -i '' -Ee 's/(description.*")[Aa]n? (.)/\1\U\2/'
Diff: https://github.com/polyfloyd/go-errorlint/compare/v1.4.5...v1.5.1 Changelog: https://github.com/polyfloyd/go-errorlint/blob/v1.5.1/CHANGELOG.md