diff --git a/book/format.go b/book/format.go
index 7cb6dd7..c02c840 100644
--- a/book/format.go
+++ b/book/format.go
@@ -32,7 +32,7 @@ func ToMarkdownString(c chapter) string {
 
 		// url
 		if c.config.PrintURL {
-			markdown += fmt.Sprintf("_Source: %s_\n\n", c.URL())
+			markdown += fmt.Sprintf("_%s_\n\n", c.URL())
 		}
 
 		// convert content to markdown
@@ -82,7 +82,7 @@ func ToHtmlString(c chapter) string {
 
 		// url
 		if c.config.PrintURL {
-			html += fmt.Sprintf("<p><i>Source: %s</i></p>\n", c.URL())
+			html += fmt.Sprintf("<p><i>%s</i></p>\n", c.URL())
 		}
 
 		// content
@@ -177,9 +177,9 @@ func AppendToEpub(e *epub.Epub, c chapter) {
 
 			if c.config.ImagesOnly {
 				imageTag, _ := goquery.OuterHtml(s)
-				content += strings.Replace(imageTag, src, imagePath, 1)
+				content += strings.ReplaceAll(imageTag, src, imagePath)
 			} else {
-				content = strings.Replace(content, src, imagePath, 1)
+				content = strings.ReplaceAll(content, src, imagePath)
 			}
 		})
 
@@ -191,7 +191,7 @@ func AppendToEpub(e *epub.Epub, c chapter) {
 
 		// url
 		if c.config.PrintURL {
-			html += fmt.Sprintf("<p><i>Source: %s</i></p>\n", c.URL())
+			html += fmt.Sprintf("<p><i>%s</i></p>\n", c.URL())
 		}
 
 		// content
diff --git a/book/format_test.go b/book/format_test.go
index 847f2f4..077f9a3 100644
--- a/book/format_test.go
+++ b/book/format_test.go
@@ -38,7 +38,7 @@ func TestToMarkdownPrintURL(t *testing.T) {
 	c := NewChapterFromURL("https://example.com/", "", []*ScrapeConfig{config}, 0, func(index int, name string) {})
 
 	got := ToMarkdownString(c)
-	want := "Example Domain\n==============\n\n_Source: https://example.com/_\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)\n\n\n"
+	want := "Example Domain\n==============\n\n_https://example.com/_\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)\n\n\n"
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -99,7 +99,7 @@ func TestToHtmlPrintURL(t *testing.T) {
 	c := NewChapterFromURL("https://example.com/", "", []*ScrapeConfig{config}, 0, func(index int, name string) {})
 
 	got := ToHtmlString(c)
-	want := "<h1>Example Domain</h1>\n<p><i>Source: https://example.com/</i></p>\n<div>\n    \n    <p>This domain is for use in illustrative examples in documents. You may use this\n    domain in literature without prior coordination or asking for permission.</p>\n    <p><a href=\"https://www.iana.org/domains/example\">More information...</a></p>\n</div>"
+	want := "<h1>Example Domain</h1>\n<p><i>https://example.com/</i></p>\n<div>\n    \n    <p>This domain is for use in illustrative examples in documents. You may use this\n    domain in literature without prior coordination or asking for permission.</p>\n    <p><a href=\"https://www.iana.org/domains/example\">More information...</a></p>\n</div>"
 
 	if got != want {
 		t.Errorf("got %q, wanted %q", got, want)
diff --git a/book/scraper.go b/book/scraper.go
index a75497f..2e2e8ea 100644
--- a/book/scraper.go
+++ b/book/scraper.go
@@ -242,7 +242,6 @@ func NewChapterFromURL(url, linkName string, configs []*ScrapeConfig, index int,
 			content = ""
 			doc.Find("img").Each(func(i int, s *goquery.Selection) {
 				imageTag, _ := goquery.OuterHtml(s)
-				// imageTag = strings.ReplaceAll(imageTag, "\n", "")
 				content += imageTag
 			})
 
diff --git a/book/scraper_test.go b/book/scraper_test.go
index 500948b..7e76ba9 100644
--- a/book/scraper_test.go
+++ b/book/scraper_test.go
@@ -117,10 +117,10 @@ func TestSubChapters(t *testing.T) {
 	config0 := NewScrapeConfigQuiet()
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://html5example.com/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
 	got := len(c.SubChapters())
-	want := 14
+	want := 21
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -133,10 +133,10 @@ func TestSubChaptersRSS(t *testing.T) {
 	config0 := NewScrapeConfigQuiet()
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://www.nginx.com/feed/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://blog.nginx.org/feed", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
 	got := len(c.SubChapters())
-	want := 14
+	want := 10
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -147,14 +147,14 @@ func TestSubChaptersRSS(t *testing.T) {
 func TestSubChaptersSelector(t *testing.T) {
 
 	config0 := NewScrapeConfigQuiet()
-	config0.Selector = "body > aside > p > a"
+	config0.Selector = "section.concrete>article>h2>a"
 
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://html5example.com/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
 	got := len(c.SubChapters())
-	want := 14
+	want := 12
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -165,11 +165,12 @@ func TestSubChaptersSelector(t *testing.T) {
 func TestSubChaptersLimit(t *testing.T) {
 
 	config0 := NewScrapeConfigQuiet()
+	config0.Selector = "section.concrete>article>h2>a"
 	config0.Limit = 1
 
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://html5example.com/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
 	got := len(c.SubChapters())
 	want := 1
@@ -183,14 +184,15 @@ func TestSubChaptersLimit(t *testing.T) {
 func TestSubChaptersLimitOver(t *testing.T) {
 
 	config0 := NewScrapeConfigQuiet()
+	config0.Selector = "section.concrete>article>h2>a"
 	config0.Limit = 15
 
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://html5example.com/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
 	got := len(c.SubChapters())
-	want := 14
+	want := 12
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -201,14 +203,15 @@ func TestSubChaptersLimitOver(t *testing.T) {
 func TestReverse(t *testing.T) {
 
 	config0 := NewScrapeConfigQuiet()
+	config0.Selector = "section.concrete>article>h2>a"
 	config0.Reverse = true
 
 	config1 := NewScrapeConfigQuiet()
 
-	c := NewChapterFromURL("https://html5example.com/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config0, config1}, 0, func(index int, name string) {})
 
-	got := c.SubChapters()[0].Name()
-	want := "The W3C Markup Validation Service"
+	got := c.SubChapters()[0].URL()
+	want := "https://12factor.net/admin-processes"
 
 	if got != want {
 		t.Errorf("got %v, wanted %v", got, want)
@@ -221,7 +224,7 @@ func TestNotInclude(t *testing.T) {
 	config := NewScrapeConfigQuiet()
 	config.Include = false
 
-	c := NewChapterFromURL("https://example.com/", "", []*ScrapeConfig{config}, 0, func(index int, name string) {})
+	c := NewChapterFromURL("https://12factor.net/", "", []*ScrapeConfig{config}, 0, func(index int, name string) {})
 
 	got := c.Content()
 	want := ""
diff --git a/cmd/version.go b/cmd/version.go
index cce9f1c..167663c 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -14,6 +14,6 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of papeer",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("papeer v0.8.2")
+		fmt.Println("papeer v0.8.3")
 	},
 }