diff --git a/extension/_test/footnote.txt b/extension/_test/footnote.txt
index 9b06721..aad2c19 100644
--- a/extension/_test/footnote.txt
+++ b/extension/_test/footnote.txt
@@ -12,7 +12,7 @@ That's some text with a footnote.[^1]
-
And that's the footnote.
-That's the second paragraph.
+That's the second paragraph.
@@ -37,13 +37,13 @@ This[^3] is[^1] text with footnotes[^2].
-
-
Footnote three
+Footnote three
-
-
Footnote one
+Footnote one
-
-
Footnote two
+Footnote two
@@ -61,7 +61,7 @@ test![^1]
-
-
footnote
+footnote
diff --git a/extension/footnote.go b/extension/footnote.go
index ede72db..f3d0dcb 100644
--- a/extension/footnote.go
+++ b/extension/footnote.go
@@ -258,7 +258,7 @@ func (r *FootnoteHTMLRenderer) renderFootnoteBackLink(w util.BufWriter, source [
if entering {
n := node.(*ast.FootnoteBackLink)
is := strconv.Itoa(n.Index)
- _, _ = w.WriteString(`