diff --git a/languages.go b/extensions_map.go
similarity index 100%
rename from languages.go
rename to extensions_map.go
diff --git a/internal/code-generator/assets/languages.go.tmpl b/internal/code-generator/assets/extensions.go.tmpl
similarity index 100%
rename from internal/code-generator/assets/languages.go.tmpl
rename to internal/code-generator/assets/extensions.go.tmpl
diff --git a/internal/code-generator/generator/langs.go b/internal/code-generator/generator/extensions.go
similarity index 51%
rename from internal/code-generator/generator/langs.go
rename to internal/code-generator/generator/extensions.go
index f69e670..3ea7f35 100644
--- a/internal/code-generator/generator/langs.go
+++ b/internal/code-generator/generator/extensions.go
@@ -3,22 +3,14 @@ package generator
 import (
 	"bytes"
 	"io"
-	"sort"
 	"strings"
 	"text/template"
 
-	"gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v2"
 )
 
-type languageInfo struct {
-	Type         string   `yaml:"type,omitempty"`
-	Extensions   []string `yaml:"extensions,omitempty,flow"`
-	Interpreters []string `yaml:"interpreters,omitempty,flow"`
-	Filenames    []string `yaml:"filenames,omitempty,flow"`
-}
-
-// Languages reads from buf and builds languages.go file from languagesTmplPath.
-func Languages(data []byte, languagesTmplPath, languagesTmplName, commit string) ([]byte, error) {
+// Extensions reads from buf and builds extensions_map.go file from extensionsTmplPath.
+func Extensions(data []byte, extensionsTmplPath, extensionsTmplName, commit string) ([]byte, error) {
 	languages := make(map[string]*languageInfo)
 	if err := yaml.Unmarshal(data, &languages); err != nil {
 		return nil, err
@@ -28,23 +20,13 @@ func Languages(data []byte, languagesTmplPath, languagesTmplName, commit string)
 	languagesByExtension := buildExtensionLanguageMap(languages, orderedKeyList)
 
 	buf := &bytes.Buffer{}
-	if err := executeLanguagesTemplate(buf, languagesByExtension, languagesTmplPath, languagesTmplName, commit); err != nil {
+	if err := executeExtensionsTemplate(buf, languagesByExtension, extensionsTmplPath, extensionsTmplName, commit); err != nil {
 		return nil, err
 	}
 
 	return buf.Bytes(), nil
 }
 
-func getAlphabeticalOrderedKeys(languages map[string]*languageInfo) []string {
-	keyList := make([]string, 0)
-	for lang := range languages {
-		keyList = append(keyList, lang)
-	}
-
-	sort.Strings(keyList)
-	return keyList
-}
-
 func buildExtensionLanguageMap(languages map[string]*languageInfo, orderedKeyList []string) map[string][]string {
 	extensionLangsMap := make(map[string][]string)
 	for _, lang := range orderedKeyList {
@@ -57,13 +39,13 @@ func buildExtensionLanguageMap(languages map[string]*languageInfo, orderedKeyLis
 	return extensionLangsMap
 }
 
-func executeLanguagesTemplate(out io.Writer, languagesByExtension map[string][]string, languagesTmplPath, languagesTmpl, commit string) error {
+func executeExtensionsTemplate(out io.Writer, languagesByExtension map[string][]string, extensionsTmplPath, extensionsTmpl, commit string) error {
 	fmap := template.FuncMap{
 		"getCommit":         func() string { return commit },
 		"formatStringSlice": func(slice []string) string { return `"` + strings.Join(slice, `","`) + `"` },
 	}
 
-	t := template.Must(template.New(languagesTmpl).Funcs(fmap).ParseFiles(languagesTmplPath))
+	t := template.Must(template.New(extensionsTmpl).Funcs(fmap).ParseFiles(extensionsTmplPath))
 	if err := t.Execute(out, languagesByExtension); err != nil {
 		return err
 	}
diff --git a/internal/code-generator/generator/generator_test.go b/internal/code-generator/generator/generator_test.go
index 46e8fe1..0487cca 100644
--- a/internal/code-generator/generator/generator_test.go
+++ b/internal/code-generator/generator/generator_test.go
@@ -13,10 +13,10 @@ const (
 	commitTest = "fe8b44ab8a225b1ffa75b983b916ea22fee5b6f7"
 
 	// Languages test
-	ymlTestFile           = "test_files/languages.test.yml"
-	langGold              = "test_files/languages.gold"
-	languagesTestTmplPath = "test_files/languages.test.go.tmpl"
-	languagesTestTmplName = "languages.test.go.tmpl"
+	extensionsTestFile     = "test_files/extensions.test.yml"
+	extensionsGold         = "test_files/extensions.gold"
+	extensionsTestTmplPath = "test_files/extensions.test.go.tmpl"
+	extensionsTestTmplName = "extensions.test.go.tmpl"
 
 	// Heuristics test
 	heuristicsTestFile  = "test_files/heuristics.test.rb"
@@ -67,12 +67,12 @@ func TestFromFile(t *testing.T) {
 	}{
 		{
 			name:        "TestFromFile_Language",
-			fileToParse: ymlTestFile,
-			tmplPath:    languagesTestTmplPath,
-			tmplName:    languagesTestTmplName,
+			fileToParse: extensionsTestFile,
+			tmplPath:    extensionsTestTmplPath,
+			tmplName:    extensionsTestTmplName,
 			commit:      commitTest,
-			generate:    Languages,
-			wantOut:     langGold,
+			generate:    Extensions,
+			wantOut:     extensionsGold,
 		},
 		{
 			name:        "TestFromFile_Heuristics",
diff --git a/internal/code-generator/generator/langinfo.go b/internal/code-generator/generator/langinfo.go
new file mode 100644
index 0000000..e61d335
--- /dev/null
+++ b/internal/code-generator/generator/langinfo.go
@@ -0,0 +1,20 @@
+package generator
+
+import "sort"
+
+type languageInfo struct {
+	Type         string   `yaml:"type,omitempty"`
+	Extensions   []string `yaml:"extensions,omitempty,flow"`
+	Interpreters []string `yaml:"interpreters,omitempty,flow"`
+	Filenames    []string `yaml:"filenames,omitempty,flow"`
+}
+
+func getAlphabeticalOrderedKeys(languages map[string]*languageInfo) []string {
+	keyList := make([]string, 0)
+	for lang := range languages {
+		keyList = append(keyList, lang)
+	}
+
+	sort.Strings(keyList)
+	return keyList
+}
diff --git a/internal/code-generator/generator/test_files/languages.gold b/internal/code-generator/generator/test_files/extensions.gold
similarity index 100%
rename from internal/code-generator/generator/test_files/languages.gold
rename to internal/code-generator/generator/test_files/extensions.gold
diff --git a/internal/code-generator/generator/test_files/languages.test.go.tmpl b/internal/code-generator/generator/test_files/extensions.test.go.tmpl
similarity index 100%
rename from internal/code-generator/generator/test_files/languages.test.go.tmpl
rename to internal/code-generator/generator/test_files/extensions.test.go.tmpl
diff --git a/internal/code-generator/generator/test_files/languages.test.yml b/internal/code-generator/generator/test_files/extensions.test.yml
similarity index 100%
rename from internal/code-generator/generator/test_files/languages.test.yml
rename to internal/code-generator/generator/test_files/extensions.test.yml
diff --git a/internal/code-generator/main.go b/internal/code-generator/main.go
index 5dd29d9..59a784d 100644
--- a/internal/code-generator/main.go
+++ b/internal/code-generator/main.go
@@ -8,11 +8,13 @@ import (
 )
 
 const (
-	// languages.go generation
-	languagesYAML     = ".linguist/lib/linguist/languages.yml"
-	langFile          = "languages.go"
-	languagesTmplPath = "internal/code-generator/assets/languages.go.tmpl"
-	languagesTmpl     = "languages.go.tmpl"
+	// languages info file
+	languagesYAML = ".linguist/lib/linguist/languages.yml"
+
+	// extensions_map.go generation
+	extensionsFile     = "extensions_map.go"
+	extensionsTmplPath = "internal/code-generator/assets/extensions.go.tmpl"
+	extensionsTmpl     = "extensions.go.tmpl"
 
 	// content.go generation
 	heuristicsRuby  = ".linguist/lib/linguist/heuristics.rb"
@@ -66,7 +68,7 @@ func main() {
 	}
 
 	argsList := []*generatorArgs{
-		&generatorArgs{languagesYAML, langFile, languagesTmplPath, languagesTmpl, commit, generator.Languages},
+		&generatorArgs{languagesYAML, extensionsFile, extensionsTmplPath, extensionsTmpl, commit, generator.Extensions},
 		&generatorArgs{heuristicsRuby, contentFile, contentTmplPath, contentTmpl, commit, generator.Heuristics},
 		&generatorArgs{vendorYAML, vendorFile, vendorTmplPath, vendorTmpl, commit, generator.Vendor},
 		&generatorArgs{documentationYAML, documentationFile, documentationTmplPath, documentationTmpl, commit, generator.Documentation},