diff --git a/helpers/content.go b/helpers/content.go
index ee8356c22..0265a1b51 100644
--- a/helpers/content.go
+++ b/helpers/content.go
@@ -147,8 +147,8 @@ func StripHTML(s string) string {
 	return b.String()
 }
 
-// StripEmptyNav strips out empty <nav> tags from content.
-func StripEmptyNav(in []byte) []byte {
+// stripEmptyNav strips out empty <nav> tags from content.
+func stripEmptyNav(in []byte) []byte {
 	return bytes.Replace(in, []byte("<nav>\n</nav>\n\n"), []byte(``), -1)
 }
 
@@ -157,8 +157,8 @@ func BytesToHTML(b []byte) template.HTML {
 	return template.HTML(string(b))
 }
 
-// GetHTMLRenderer creates a new Renderer with the given configuration.
-func GetHTMLRenderer(defaultFlags int, ctx *RenderingContext) blackfriday.Renderer {
+// getHTMLRenderer creates a new Renderer with the given configuration.
+func getHTMLRenderer(defaultFlags int, ctx *RenderingContext) blackfriday.Renderer {
 	renderParameters := blackfriday.HtmlRendererParameters{
 		FootnoteAnchorPrefix:       viper.GetString("FootnoteAnchorPrefix"),
 		FootnoteReturnLinkContents: viper.GetString("FootnoteReturnLinkContents"),
@@ -227,18 +227,18 @@ func getMarkdownExtensions(ctx *RenderingContext) int {
 }
 
 func markdownRender(ctx *RenderingContext) []byte {
-	return blackfriday.Markdown(ctx.Content, GetHTMLRenderer(0, ctx),
+	return blackfriday.Markdown(ctx.Content, getHTMLRenderer(0, ctx),
 		getMarkdownExtensions(ctx))
 }
 
 func markdownRenderWithTOC(ctx *RenderingContext) []byte {
 	return blackfriday.Markdown(ctx.Content,
-		GetHTMLRenderer(blackfriday.HTML_TOC, ctx),
+		getHTMLRenderer(blackfriday.HTML_TOC, ctx),
 		getMarkdownExtensions(ctx))
 }
 
-// GetMmarkHtmlRenderer returns markdown html renderer.
-func GetMmarkHtmlRenderer(defaultFlags int, ctx *RenderingContext) mmark.Renderer {
+// getMmarkHtmlRenderer returns markdown html renderer.
+func getMmarkHtmlRenderer(defaultFlags int, ctx *RenderingContext) mmark.Renderer {
 	renderParameters := mmark.HtmlRendererParameters{
 		FootnoteAnchorPrefix:       viper.GetString("FootnoteAnchorPrefix"),
 		FootnoteReturnLinkContents: viper.GetString("FootnoteReturnLinkContents"),
@@ -259,8 +259,8 @@ func GetMmarkHtmlRenderer(defaultFlags int, ctx *RenderingContext) mmark.Rendere
 	}
 }
 
-// GetMmarkExtensions returns markdown extensions.
-func GetMmarkExtensions(ctx *RenderingContext) int {
+// getMmarkExtensions returns markdown extensions.
+func getMmarkExtensions(ctx *RenderingContext) int {
 	flags := 0
 	flags |= mmark.EXTENSION_TABLES
 	flags |= mmark.EXTENSION_FENCED_CODE
@@ -284,10 +284,10 @@ func GetMmarkExtensions(ctx *RenderingContext) int {
 	return flags
 }
 
-// MmarkRender renders markdowns.
-func MmarkRender(ctx *RenderingContext) []byte {
-	return mmark.Parse(ctx.Content, GetMmarkHtmlRenderer(0, ctx),
-		GetMmarkExtensions(ctx)).Bytes()
+// mmarkRender renders markdowns.
+func mmarkRender(ctx *RenderingContext) []byte {
+	return mmark.Parse(ctx.Content, getMmarkHtmlRenderer(0, ctx),
+		getMmarkExtensions(ctx)).Bytes()
 }
 
 // ExtractTOC extracts Table of Contents from content.
@@ -311,7 +311,7 @@ func ExtractTOC(content []byte) (newcontent []byte, toc []byte) {
 	}
 
 	if startOfTOC < 0 {
-		return StripEmptyNav(content), toc
+		return stripEmptyNav(content), toc
 	}
 	// Need to peek ahead to see if this nav element is actually the right one.
 	correctNav := bytes.Index(content[startOfTOC:peekEnd], []byte(`<li><a href="#`))
@@ -355,11 +355,11 @@ func RenderBytesWithTOC(ctx *RenderingContext) []byte {
 	case "markdown":
 		return markdownRenderWithTOC(ctx)
 	case "asciidoc":
-		return []byte(GetAsciidocContent(ctx.Content))
+		return []byte(getAsciidocContent(ctx.Content))
 	case "mmark":
-		return MmarkRender(ctx)
+		return mmarkRender(ctx)
 	case "rst":
-		return []byte(GetRstContent(ctx.Content))
+		return []byte(getRstContent(ctx.Content))
 	}
 }
 
@@ -371,11 +371,11 @@ func RenderBytes(ctx *RenderingContext) []byte {
 	case "markdown":
 		return markdownRender(ctx)
 	case "asciidoc":
-		return []byte(GetAsciidocContent(ctx.Content))
+		return []byte(getAsciidocContent(ctx.Content))
 	case "mmark":
-		return MmarkRender(ctx)
+		return mmarkRender(ctx)
 	case "rst":
-		return []byte(GetRstContent(ctx.Content))
+		return []byte(getRstContent(ctx.Content))
 	}
 }
 
@@ -446,9 +446,9 @@ func TruncateWordsToWholeSentence(words []string, max int) (string, bool) {
 	return strings.Join(words[:max], " "), true
 }
 
-// GetAsciidocContent calls asciidoctor or asciidoc as an external helper
+// getAsciidocContent calls asciidoctor or asciidoc as an external helper
 // to convert AsciiDoc content to HTML.
-func GetAsciidocContent(content []byte) string {
+func getAsciidocContent(content []byte) string {
 	cleanContent := bytes.Replace(content, SummaryDivider, []byte(""), 1)
 
 	path, err := exec.LookPath("asciidoctor")
@@ -473,9 +473,9 @@ func GetAsciidocContent(content []byte) string {
 	return out.String()
 }
 
-// GetRstContent calls the Python script rst2html as an external helper
+// getRstContent calls the Python script rst2html as an external helper
 // to convert reStructuredText content to HTML.
-func GetRstContent(content []byte) string {
+func getRstContent(content []byte) string {
 	cleanContent := bytes.Replace(content, SummaryDivider, []byte(""), 1)
 
 	path, err := exec.LookPath("rst2html")
diff --git a/helpers/content_renderer_test.go b/helpers/content_renderer_test.go
index 2110637cb..f224b33e4 100644
--- a/helpers/content_renderer_test.go
+++ b/helpers/content_renderer_test.go
@@ -23,7 +23,7 @@ import (
 // Renders a codeblock using Blackfriday
 func render(input string) string {
 	ctx := &RenderingContext{}
-	render := GetHTMLRenderer(0, ctx)
+	render := getHTMLRenderer(0, ctx)
 
 	buf := &bytes.Buffer{}
 	render.BlockCode(buf, []byte(input), "html")
@@ -33,7 +33,7 @@ func render(input string) string {
 // Renders a codeblock using Mmark
 func renderWithMmark(input string) string {
 	ctx := &RenderingContext{}
-	render := GetMmarkHtmlRenderer(0, ctx)
+	render := getMmarkHtmlRenderer(0, ctx)
 
 	buf := &bytes.Buffer{}
 	render.BlockCode(buf, []byte(input), "html", []byte(""), false, false)
@@ -72,7 +72,7 @@ func TestCodeFence(t *testing.T) {
 		expectedRe, err := regexp.Compile(d.expected)
 
 		if err != nil {
-			t.Fatalf("Invalid regexp", err)
+			t.Fatal("Invalid regexp", err)
 		}
 		matched := expectedRe.MatchString(result)
 
diff --git a/helpers/content_test.go b/helpers/content_test.go
index ba7971605..fff1ed50d 100644
--- a/helpers/content_test.go
+++ b/helpers/content_test.go
@@ -55,7 +55,7 @@ func BenchmarkStripHTML(b *testing.B) {
 }
 
 func TestStripEmptyNav(t *testing.T) {
-	cleaned := StripEmptyNav([]byte("do<nav>\n</nav>\n\nbedobedo"))
+	cleaned := stripEmptyNav([]byte("do<nav>\n</nav>\n\nbedobedo"))
 	assert.Equal(t, []byte("dobedobedo"), cleaned)
 }
 
@@ -125,7 +125,7 @@ func TestTruncateWordsByRune(t *testing.T) {
 
 func TestGetHTMLRendererFlags(t *testing.T) {
 	ctx := &RenderingContext{}
-	renderer := GetHTMLRenderer(blackfriday.HTML_USE_XHTML, ctx)
+	renderer := getHTMLRenderer(blackfriday.HTML_USE_XHTML, ctx)
 	flags := renderer.GetFlags()
 	if flags&blackfriday.HTML_USE_XHTML != blackfriday.HTML_USE_XHTML {
 		t.Errorf("Test flag: %d was not found amongs set flags:%d; Result: %d", blackfriday.HTML_USE_XHTML, flags, flags&blackfriday.HTML_USE_XHTML)
@@ -158,7 +158,7 @@ func TestGetHTMLRendererAllFlags(t *testing.T) {
 	ctx.Config.SmartDashes = true
 	ctx.Config.Smartypants = true
 	ctx.Config.SourceRelativeLinksEval = true
-	renderer := GetHTMLRenderer(defaultFlags, ctx)
+	renderer := getHTMLRenderer(defaultFlags, ctx)
 	actualFlags := renderer.GetFlags()
 	var expectedFlags int
 	//OR-ing flags together...
@@ -176,7 +176,7 @@ func TestGetHTMLRendererAnchors(t *testing.T) {
 	ctx.Config = ctx.getConfig()
 	ctx.Config.PlainIDAnchors = false
 
-	actualRenderer := GetHTMLRenderer(0, ctx)
+	actualRenderer := getHTMLRenderer(0, ctx)
 	headerBuffer := &bytes.Buffer{}
 	footnoteBuffer := &bytes.Buffer{}
 	expectedFootnoteHref := []byte("href=\"#fn:testid:href\"")
@@ -199,7 +199,7 @@ func TestGetMmarkHtmlRenderer(t *testing.T) {
 	ctx.DocumentID = "testid"
 	ctx.Config = ctx.getConfig()
 	ctx.Config.PlainIDAnchors = false
-	actualRenderer := GetMmarkHtmlRenderer(0, ctx)
+	actualRenderer := getMmarkHtmlRenderer(0, ctx)
 
 	headerBuffer := &bytes.Buffer{}
 	footnoteBuffer := &bytes.Buffer{}
@@ -318,7 +318,7 @@ func TestGetMmarkExtensions(t *testing.T) {
 		{mmark.EXTENSION_INCLUDE},
 	}
 
-	actualFlags := GetMmarkExtensions(ctx)
+	actualFlags := getMmarkExtensions(ctx)
 	for _, e := range allExtensions {
 		if actualFlags&e.testFlag != e.testFlag {
 			t.Errorf("Flag %v was not found in the list of extensions.", e)
@@ -330,7 +330,7 @@ func TestMmarkRender(t *testing.T) {
 	ctx := &RenderingContext{}
 	ctx.Content = []byte("testContent")
 	ctx.Config = ctx.getConfig()
-	actualRenderedMarkdown := MmarkRender(ctx)
+	actualRenderedMarkdown := mmarkRender(ctx)
 	expectedRenderedMarkdown := []byte("<p>testContent</p>\n")
 	if !bytes.Equal(actualRenderedMarkdown, expectedRenderedMarkdown) {
 		t.Errorf("Actual rendered Markdown (%s) did not match expected markdown (%s)", actualRenderedMarkdown, expectedRenderedMarkdown)