diff --git a/googletranslate/languages.go b/googletranslate/languages.go
index 159bcc4..b468e42 100644
--- a/googletranslate/languages.go
+++ b/googletranslate/languages.go
@@ -92,7 +92,7 @@ func ListLanguages() string {
 	return langs
 }
 
-func inLangList(code string) bool {
+func isInLangList(code string) bool {
 	for _, lang := range languages {
 		if lang.Code == code {
 			return true
diff --git a/googletranslate/speech.go b/googletranslate/speech.go
index 2366f24..e705003 100644
--- a/googletranslate/speech.go
+++ b/googletranslate/speech.go
@@ -6,9 +6,7 @@ import (
 	"log"
 )
 
-const (
-	speechURL = "https://translate.google.com/translate_tts"
-)
+const speechURL = "https://translate.google.com/translate_tts"
 
 func FetchSoundFile(lang string, text string, audioPath string) (err error) {
 	return fetchSoundFile(speechURL, lang, text, audioPath)
diff --git a/googletranslate/translate.go b/googletranslate/translate.go
index 07c3ce2..048da42 100644
--- a/googletranslate/translate.go
+++ b/googletranslate/translate.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 )
 
-const urlAddress = "https://translate.google.com/translate_a/t"
+const translateURL = "https://translate.google.com/translate_a/t"
 
 type Phrase struct {
 	Translation   string   `json:"translation"`
@@ -18,19 +18,19 @@ func Translate(from string, to string, term string) (phrase Phrase, err error) {
 	argError := func(code string) error {
 		return fmt.Errorf("Unknown language code: %v. Check the list of available codes", code)
 	}
-	if inLangList(from) == false {
+	if isInLangList(from) == false {
 		err = argError(from)
 		return
 	}
-	if inLangList(to) == false {
+	if isInLangList(to) == false {
 		err = argError(to)
 		return
 	}
 
-	return translate(urlAddress, from, to, term)
+	return translate(translateURL, from, to, term)
 }
 
-func translate(urlAddress string, from string, to string, term string) (phrase Phrase, err error) {
+func translate(translateURL string, from string, to string, term string) (phrase Phrase, err error) {
 	params := map[string]string{
 		"client":   "t",
 		"hl":       "en",
@@ -44,7 +44,7 @@ func translate(urlAddress string, from string, to string, term string) (phrase P
 		"text":     term,
 	}
 
-	resp, err := runRquest(urlAddress, params)
+	resp, err := runRquest(translateURL, params)
 	if err != nil {
 		err = fmt.Errorf("Error fetching translation: [%v]", err)
 		return