diff --git a/internal/godoc/dochtml/template_body.go b/internal/godoc/dochtml/legacy_body.go
similarity index 99%
rename from internal/godoc/dochtml/template_body.go
rename to internal/godoc/dochtml/legacy_body.go
index 887243f..3c8e799 100644
--- a/internal/godoc/dochtml/template_body.go
+++ b/internal/godoc/dochtml/legacy_body.go
@@ -9,7 +9,7 @@
 	IdentifierBodyEnd   = `</div>`
 )
 
-const tmplBody = `
+const legacyTmplBody = `
 
 ` + IdentifierBodyStart + ` {{/* Documentation content container */}}
 
diff --git a/internal/godoc/dochtml/template_sidenav.go b/internal/godoc/dochtml/legacy_sidenav.go
similarity index 99%
rename from internal/godoc/dochtml/template_sidenav.go
rename to internal/godoc/dochtml/legacy_sidenav.go
index 5cd57fc..7528640 100644
--- a/internal/godoc/dochtml/template_sidenav.go
+++ b/internal/godoc/dochtml/legacy_sidenav.go
@@ -10,7 +10,7 @@
 	IdentifierSidenavEnd         = `</nav>`
 )
 
-const tmplSidenav = `
+const legacyTmplSidenav = `
 {{if or .Doc .Consts .Vars .Funcs .Types .Examples.List}}
 	` + IdentifierSidenavStart + `
 		<ul role="tree" aria-label="Outline">
diff --git a/internal/godoc/dochtml/template.go b/internal/godoc/dochtml/template.go
index 4c7c7e8..1ceef3f 100644
--- a/internal/godoc/dochtml/template.go
+++ b/internal/godoc/dochtml/template.go
@@ -16,10 +16,10 @@
 // TODO(golang.org/issue/5060): finalize URL scheme and design for notes,
 // then it becomes more viable to factor out inline CSS style.
 func htmlPackage() *template.Template {
-	return template.Must(template.New("package").Funcs(tmpl).Parse(tmplHTML))
+	return template.Must(template.New("package").Funcs(tmpl).Parse(legacyTmplHTML))
 }
 
-const tmplHTML = `{{- "" -}}` + tmplSidenav + tmplBody + tmplExample
+const legacyTmplHTML = `{{- "" -}}` + legacyTmplSidenav + legacyTmplBody + tmplExample
 
 var tmpl = map[string]interface{}{
 	"ternary": func(q, a, b interface{}) interface{} {
diff --git a/internal/godoc/dochtml/template_test.go b/internal/godoc/dochtml/template_test.go
index 37d46d1..62443d2 100644
--- a/internal/godoc/dochtml/template_test.go
+++ b/internal/godoc/dochtml/template_test.go
@@ -11,7 +11,7 @@
 )
 
 func TestTemplate(t *testing.T) {
-	if diff := cmp.Diff(fullTemplate, tmplHTML); diff != "" {
+	if diff := cmp.Diff(fullTemplate, legacyTmplHTML); diff != "" {
 		t.Errorf("mismatch (-want +got):\n%s", diff)
 	}
 }