diff --git a/extension/footnote.go b/extension/footnote.go
index 0f7387a..0b1ac9f 100644
--- a/extension/footnote.go
+++ b/extension/footnote.go
@@ -252,9 +252,9 @@ func (a *footnoteASTTransformer) Transform(node *gast.Document, reader text.Read
 // FootnoteConfig holds configuration values for the footnote extension.
 //
 // Link* and Backlink* configurations have some variables:
-// Occurances of “^^” in the string will be replaced by the
+// Occurrances of “^^” in the string will be replaced by the
 // corresponding footnote number in the HTML output.
-// Occurances of “%%” will be replaced by a number for the
+// Occurrances of “%%” will be replaced by a number for the
 // reference (footnotes can have multiple references).
 type FootnoteConfig struct {
 	html.Config
diff --git a/util/util.go b/util/util.go
index be82394..3ec73f5 100644
--- a/util/util.go
+++ b/util/util.go
@@ -816,7 +816,7 @@ func IsPunct(c byte) bool {
 	return punctTable[c] == 1
 }
 
-// IsPunct returns true if the given rune is a punctuation, otherwise false.
+// IsPunctRune returns true if the given rune is a punctuation, otherwise false.
 func IsPunctRune(r rune) bool {
 	return int32(r) <= 256 && IsPunct(byte(r)) || unicode.IsPunct(r)
 }
@@ -826,7 +826,7 @@ func IsSpace(c byte) bool {
 	return spaceTable[c] == 1
 }
 
-// IsSpace returns true if the given rune is a space, otherwise false.
+// IsSpaceRune returns true if the given rune is a space, otherwise false.
 func IsSpaceRune(r rune) bool {
 	return int32(r) <= 256 && IsSpace(byte(r)) || unicode.IsSpace(r)
 }