dev: capitalize the first word of the linter description

Author: alexandear

go.mod

@@ -131,6 +131,7 @@ require (
 	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0
 	golang.org/x/mod v0.22.0
 	golang.org/x/sys v0.28.0
+	golang.org/x/text v0.20.0
 	golang.org/x/tools v0.28.0
 	gopkg.in/yaml.v3 v3.0.1
 	honnef.co/go/tools v0.5.1
@@ -199,7 +200,6 @@ require (
 	go.uber.org/zap v1.24.0 // indirect
 	golang.org/x/exp/typeparams v0.0.0-20241108190413-2d47ceb2692f // indirect
 	golang.org/x/sync v0.10.0 // indirect
-	golang.org/x/text v0.20.0 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

pkg/commands/help.go

@@ -8,6 +8,8 @@ import (
 
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 
 	"github.com/golangci/golangci-lint/pkg/config"
 	"github.com/golangci/golangci-lint/pkg/lint/linter"
@@ -131,6 +133,11 @@ func printLinters(lcs []*linter.Config) {
 			linterDescription = linterDescription[:firstNewline]
 		}
 
+		// Capitalize the first word of the linter description
+		if firstWord, remaining, ok := strings.Cut(linterDescription, " "); ok {
+			linterDescription = cases.Title(language.Und, cases.NoLower).String(firstWord) + " " + remaining
+		}
+
 		deprecatedMark := ""
 		if lc.IsDeprecated() {
 			deprecatedMark = " [" + color.RedString("deprecated") + "]"