diff --git a/main.go b/main.go
index cd3f4b7..cc4f779 100644
--- a/main.go
+++ b/main.go
@@ -37,7 +37,7 @@ func main() {
 
 	ok := true
 
-	for s := range extractUrls(n) {
+	for s := range extractURLs(n) {
 		if _, err := http.Get(s); err != nil {
 			printToStderr("ERROR: " + err.Error())
 			ok = false
@@ -49,7 +49,7 @@ func main() {
 	}
 }
 
-func extractUrls(n *html.Node) map[string]bool {
+func extractURLs(n *html.Node) map[string]bool {
 	ss := make(map[string]bool)
 	ns := make([]*html.Node, 0, 1024)
 	ns = append(ns, n)
@@ -61,7 +61,7 @@ func extractUrls(n *html.Node) map[string]bool {
 
 		if n.Type == html.ElementNode && n.Data == "a" {
 			for _, a := range n.Attr {
-				if a.Key == "href" && isUrl(a.Val) {
+				if a.Key == "href" && isURL(a.Val) {
 					ss[a.Val] = true
 					break
 				}
@@ -76,7 +76,7 @@ func extractUrls(n *html.Node) map[string]bool {
 	return ss
 }
 
-func isUrl(s string) bool {
+func isURL(s string) bool {
 	u, err := url.Parse(s)
 	return err == nil && (u.Scheme == "http" || u.Scheme == "https")
 }
diff --git a/main_test.go b/main_test.go
index fc934b7..98396b0 100644
--- a/main_test.go
+++ b/main_test.go
@@ -9,10 +9,10 @@ import (
 	"golang.org/x/net/html"
 )
 
-func TestExtractUrls(t *testing.T) {
+func TestExtractURLs(t *testing.T) {
 	for _, c := range []struct {
 		html    string
-		numUrls int
+		numURLs int
 	}{
 		{`<a href="https://google.com">Google</a>`, 1},
 		{
@@ -37,23 +37,23 @@ func TestExtractUrls(t *testing.T) {
 		n, err := html.Parse(strings.NewReader(c.html))
 
 		assert.Equal(t, nil, err)
-		assert.Equal(t, c.numUrls, len(extractUrls(n)))
+		assert.Equal(t, c.numURLs, len(extractURLs(n)))
 	}
 }
 
-func TestUrlParse(t *testing.T) {
+func TestURLParse(t *testing.T) {
 	u, err := url.Parse("file-path")
 
 	assert.Equal(t, nil, err)
 	assert.Equal(t, "", u.Scheme)
 }
 
-func TestIsUrl(t *testing.T) {
+func TestIsURL(t *testing.T) {
 	for _, s := range []string{"http://google.com", "https://google.com"} {
-		assert.True(t, isUrl(s))
+		assert.True(t, isURL(s))
 	}
 
 	for _, s := range []string{"", "file-path"} {
-		assert.False(t, isUrl(s))
+		assert.False(t, isURL(s))
 	}
 }