diff --git a/pkg/config/output.go b/pkg/config/output.go
index aaa5183ec4e4..caddb095c960 100644
--- a/pkg/config/output.go
+++ b/pkg/config/output.go
@@ -16,8 +16,8 @@ const (
 	OutFormatCheckstyle        = "checkstyle"
 	OutFormatCodeClimate       = "code-climate"
 	OutFormatHTML              = "html"
-	OutFormatJunitXML          = "junit-xml"
-	OutFormatJunitXMLExtended  = "junit-xml-extended"
+	OutFormatJUnitXML          = "junit-xml"
+	OutFormatJUnitXMLExtended  = "junit-xml-extended"
 	OutFormatGithubActions     = "github-actions" // Deprecated
 	OutFormatTeamCity          = "teamcity"
 	OutFormatSarif             = "sarif"
@@ -32,8 +32,8 @@ var AllOutputFormats = []string{
 	OutFormatCheckstyle,
 	OutFormatCodeClimate,
 	OutFormatHTML,
-	OutFormatJunitXML,
-	OutFormatJunitXMLExtended,
+	OutFormatJUnitXML,
+	OutFormatJUnitXMLExtended,
 	OutFormatGithubActions,
 	OutFormatTeamCity,
 	OutFormatSarif,
diff --git a/pkg/printers/codeclimate.go b/pkg/printers/codeclimate.go
index 7739778e1350..3adcffac61e1 100644
--- a/pkg/printers/codeclimate.go
+++ b/pkg/printers/codeclimate.go
@@ -31,20 +31,22 @@ func NewCodeClimate(log logutils.Log, w io.Writer) *CodeClimate {
 }
 
 func (p *CodeClimate) Print(issues []result.Issue) error {
-	codeClimateIssues := make([]CodeClimateIssue, 0, len(issues))
+	ccIssues := make([]codeClimateIssue, 0, len(issues))
 
 	for i := range issues {
 		issue := issues[i]
 
-		codeClimateIssue := CodeClimateIssue{}
-		codeClimateIssue.Description = issue.Description()
-		codeClimateIssue.CheckName = issue.FromLinter
-		codeClimateIssue.Location.Path = issue.Pos.Filename
-		codeClimateIssue.Location.Lines.Begin = issue.Pos.Line
-		codeClimateIssue.Fingerprint = issue.Fingerprint()
-		codeClimateIssue.Severity = p.sanitizer.Sanitize(issue.Severity)
+		ccIssue := codeClimateIssue{
+			Description: issue.Description(),
+			CheckName:   issue.FromLinter,
+			Severity:    p.sanitizer.Sanitize(issue.Severity),
+			Fingerprint: issue.Fingerprint(),
+		}
 
-		codeClimateIssues = append(codeClimateIssues, codeClimateIssue)
+		ccIssue.Location.Path = issue.Pos.Filename
+		ccIssue.Location.Lines.Begin = issue.Pos.Line
+
+		ccIssues = append(ccIssues, ccIssue)
 	}
 
 	err := p.sanitizer.Err()
@@ -52,14 +54,14 @@ func (p *CodeClimate) Print(issues []result.Issue) error {
 		p.log.Infof("%v", err)
 	}
 
-	return json.NewEncoder(p.w).Encode(codeClimateIssues)
+	return json.NewEncoder(p.w).Encode(ccIssues)
 }
 
-// CodeClimateIssue is a subset of the Code Climate spec.
+// codeClimateIssue is a subset of the Code Climate spec.
 // https://github.com/codeclimate/platform/blob/master/spec/analyzers/SPEC.md#data-types
 // It is just enough to support GitLab CI Code Quality.
 // https://docs.gitlab.com/ee/ci/testing/code_quality.html#code-quality-report-format
-type CodeClimateIssue struct {
+type codeClimateIssue struct {
 	Description string `json:"description"`
 	CheckName   string `json:"check_name"`
 	Severity    string `json:"severity,omitempty"`
diff --git a/pkg/printers/junitxml.go b/pkg/printers/junitxml.go
index bc755b256d96..0959fe18fb7d 100644
--- a/pkg/printers/junitxml.go
+++ b/pkg/printers/junitxml.go
@@ -12,23 +12,23 @@ import (
 	"github.com/golangci/golangci-lint/pkg/result"
 )
 
-// JunitXML prints issues in the Junit XML format.
+// JUnitXML prints issues in the JUnit XML format.
 // There is no official specification for the JUnit XML file format,
 // and various tools generate and support different flavors of this format.
 // https://github.com/testmoapp/junitxml
-type JunitXML struct {
+type JUnitXML struct {
 	extended bool
 	w        io.Writer
 }
 
-func NewJunitXML(w io.Writer, extended bool) *JunitXML {
-	return &JunitXML{
+func NewJUnitXML(w io.Writer, extended bool) *JUnitXML {
+	return &JUnitXML{
 		extended: extended,
 		w:        w,
 	}
 }
 
-func (p JunitXML) Print(issues []result.Issue) error {
+func (p JUnitXML) Print(issues []result.Issue) error {
 	suites := make(map[string]testSuiteXML) // use a map to group by file
 
 	for ind := range issues {
diff --git a/pkg/printers/junitxml_test.go b/pkg/printers/junitxml_test.go
index 4cf99789124c..b5dbf9242eb5 100644
--- a/pkg/printers/junitxml_test.go
+++ b/pkg/printers/junitxml_test.go
@@ -11,7 +11,7 @@ import (
 	"github.com/golangci/golangci-lint/pkg/result"
 )
 
-func TestJunitXML_Print(t *testing.T) {
+func TestJUnitXML_Print(t *testing.T) {
 	issues := []result.Issue{
 		{
 			FromLinter: "linter-a",
@@ -105,7 +105,7 @@ Details: func foo() {
 			t.Parallel()
 
 			buf := new(bytes.Buffer)
-			printer := NewJunitXML(buf, test.extended)
+			printer := NewJUnitXML(buf, test.extended)
 
 			err := printer.Print(issues)
 			require.NoError(t, err)
diff --git a/pkg/printers/printer.go b/pkg/printers/printer.go
index b7d3bc82b441..c04648ad9220 100644
--- a/pkg/printers/printer.go
+++ b/pkg/printers/printer.go
@@ -127,8 +127,8 @@ func (c *Printer) createPrinter(format string, w io.Writer) (issuePrinter, error
 		p = NewCodeClimate(c.log, w)
 	case config.OutFormatHTML:
 		p = NewHTML(w)
-	case config.OutFormatJunitXML, config.OutFormatJunitXMLExtended:
-		p = NewJunitXML(w, format == config.OutFormatJunitXMLExtended)
+	case config.OutFormatJUnitXML, config.OutFormatJUnitXMLExtended:
+		p = NewJUnitXML(w, format == config.OutFormatJUnitXMLExtended)
 	case config.OutFormatGithubActions:
 		p = NewGitHubAction(w)
 	case config.OutFormatTeamCity:
@@ -168,11 +168,11 @@ func (s *severitySanitizer) Err() error {
 		return nil
 	}
 
-	var foo []string
+	var names []string
 	for k := range s.unsupportedSeverities {
-		foo = append(foo, "'"+k+"'")
+		names = append(names, "'"+k+"'")
 	}
 
-	return fmt.Errorf("some severities (%v) are not inside supported values (%v), fallback to '%s'",
-		strings.Join(foo, ", "), strings.Join(s.allowedSeverities, ", "), s.defaultSeverity)
+	return fmt.Errorf("severities (%v) are not inside supported values (%v), fallback to '%s'",
+		strings.Join(names, ", "), strings.Join(s.allowedSeverities, ", "), s.defaultSeverity)
 }
diff --git a/pkg/printers/tab.go b/pkg/printers/tab.go
index 0a0b176b4a6b..ac04ab0fbe3a 100644
--- a/pkg/printers/tab.go
+++ b/pkg/printers/tab.go
@@ -11,7 +11,7 @@ import (
 	"github.com/golangci/golangci-lint/pkg/result"
 )
 
-// Tab prints issues using tabulation as field separator.
+// Tab prints issues using tabulation as a field separator.
 type Tab struct {
 	printLinterName bool
 	useColors       bool