diff --git a/ast/block.go b/ast/block.go
index f63619f..f5bca33 100644
--- a/ast/block.go
+++ b/ast/block.go
@@ -303,11 +303,11 @@ func NewBlockquote() *Blockquote {
 	}
 }
 
-// A List structr represents a list of Markdown text.
+// A List struct represents a list of Markdown text.
 type List struct {
 	BaseBlock
 
-	// Marker is a markar character like '-', '+', ')' and '.'.
+	// Marker is a marker character like '-', '+', ')' and '.'.
 	Marker byte
 
 	// IsTight is a true if this list is a 'tight' list.
@@ -364,7 +364,7 @@ func NewList(marker byte) *List {
 type ListItem struct {
 	BaseBlock
 
-	// Offset is an offset potision of this item.
+	// Offset is an offset position of this item.
 	Offset int
 }
 
diff --git a/ast/inline.go b/ast/inline.go
index da0f720..23dcad4 100644
--- a/ast/inline.go
+++ b/ast/inline.go
@@ -170,7 +170,7 @@ func NewText() *Text {
 	}
 }
 
-// NewTextSegment returns a new Text node with the given source potision.
+// NewTextSegment returns a new Text node with the given source position.
 func NewTextSegment(v textm.Segment) *Text {
 	return &Text{
 		BaseInline: BaseInline{},
@@ -467,7 +467,7 @@ type AutoLink struct {
 // Inline implements Inline.Inline.
 func (n *AutoLink) Inline() {}
 
-// Dump implenets Node.Dump
+// Dump implements Node.Dump
 func (n *AutoLink) Dump(source []byte, level int) {
 	segment := n.value.Segment
 	m := map[string]string{
diff --git a/extension/ast/tasklist.go b/extension/ast/tasklist.go
index 90b451b..670cc14 100644
--- a/extension/ast/tasklist.go
+++ b/extension/ast/tasklist.go
@@ -11,7 +11,7 @@ type TaskCheckBox struct {
 	IsChecked bool
 }
 
-// Dump impelemtns Node.Dump.
+// Dump implements Node.Dump.
 func (n *TaskCheckBox) Dump(source []byte, level int) {
 	m := map[string]string{
 		"Checked": fmt.Sprintf("%v", n.IsChecked),
diff --git a/extension/linkify.go b/extension/linkify.go
index 565c6bd..9e68fa5 100644
--- a/extension/linkify.go
+++ b/extension/linkify.go
@@ -61,7 +61,7 @@ func (o *withLinkifyAllowedProtocols) SetLinkifyOption(p *LinkifyConfig) {
 	p.AllowedProtocols = o.value
 }
 
-// WithLinkifyAllowedProtocols is a functional otpion that specify allowed
+// WithLinkifyAllowedProtocols is a functional option that specify allowed
 // protocols in autolinks. Each protocol must end with ':' like
 // 'http:' .
 func WithLinkifyAllowedProtocols(value [][]byte) LinkifyOption {
@@ -82,7 +82,7 @@ func (o *withLinkifyURLRegexp) SetLinkifyOption(p *LinkifyConfig) {
 	p.URLRegexp = o.value
 }
 
-// WithLinkifyURLRegexp is a functional otpion that specify
+// WithLinkifyURLRegexp is a functional option that specify
 // a pattern of the URL including a protocol.
 func WithLinkifyURLRegexp(value *regexp.Regexp) LinkifyOption {
 	return &withLinkifyURLRegexp{
@@ -90,7 +90,7 @@ func WithLinkifyURLRegexp(value *regexp.Regexp) LinkifyOption {
 	}
 }
 
-// WithLinkifyWWWRegexp is a functional otpion that specify
+// WithLinkifyWWWRegexp is a functional option that specify
 // a pattern of the URL without a protocol.
 // This pattern must start with 'www.' .
 type withLinkifyWWWRegexp struct {
diff --git a/extension/table.go b/extension/table.go
index 309f3f9..91ba331 100644
--- a/extension/table.go
+++ b/extension/table.go
@@ -27,7 +27,7 @@ type tableParagraphTransformer struct {
 var defaultTableParagraphTransformer = &tableParagraphTransformer{}
 
 // NewTableParagraphTransformer returns  a new ParagraphTransformer
-// that can transform pargraphs into tables.
+// that can transform paragraphs into tables.
 func NewTableParagraphTransformer() parser.ParagraphTransformer {
 	return defaultTableParagraphTransformer
 }
diff --git a/extension/typographer.go b/extension/typographer.go
index 106e0b2..fc40402 100644
--- a/extension/typographer.go
+++ b/extension/typographer.go
@@ -253,10 +253,10 @@ type typographer struct {
 	options []TypographerOption
 }
 
-// Typographer is an extension that repalace punctuations with typographic entities.
+// Typographer is an extension that replaces punctuations with typographic entities.
 var Typographer = &typographer{}
 
-// NewTypographer returns a new Entender that repalace punctuations with typographic entities.
+// NewTypographer returns a new Extender that replaces punctuations with typographic entities.
 func NewTypographer(opts ...TypographerOption) goldmark.Extender {
 	return &typographer{
 		options: opts,
diff --git a/parser/delimiter.go b/parser/delimiter.go
index 50aa7bd..612d7b7 100644
--- a/parser/delimiter.go
+++ b/parser/delimiter.go
@@ -11,7 +11,7 @@ import (
 )
 
 // A DelimiterProcessor interface provides a set of functions about
-// Deliiter nodes.
+// Delimiter nodes.
 type DelimiterProcessor interface {
 	// IsDelimiter returns true if given character is a delimiter, otherwise false.
 	IsDelimiter(byte) bool
@@ -38,7 +38,7 @@ type Delimiter struct {
 	// See https://spec.commonmark.org/0.29/#can-open-emphasis for details.
 	CanClose bool
 
-	// Length is a remaining length of this delmiter.
+	// Length is a remaining length of this delimiter.
 	Length int
 
 	// OriginalLength is a original length of this delimiter.
diff --git a/parser/parser.go b/parser/parser.go
index d6cb066..def13db 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -459,7 +459,7 @@ type Parser interface {
 	// Parse parses the given Markdown text into AST nodes.
 	Parse(reader text.Reader, opts ...ParseOption) ast.Node
 
-	// AddOption adds the given option to thie parser.
+	// AddOption adds the given option to this parser.
 	AddOptions(...Option)
 }
 
@@ -505,7 +505,7 @@ type BlockParser interface {
 	// Close will be called when the parser returns Close.
 	Close(node ast.Node, reader text.Reader, pc Context)
 
-	// CanInterruptParagraph returns true if the parser can interrupt pargraphs,
+	// CanInterruptParagraph returns true if the parser can interrupt paragraphs,
 	// otherwise false.
 	CanInterruptParagraph() bool
 
diff --git a/renderer/html/html.go b/renderer/html/html.go
index e9aca21..537a256 100644
--- a/renderer/html/html.go
+++ b/renderer/html/html.go
@@ -660,13 +660,13 @@ func RenderAttributes(w util.BufWriter, node ast.Node, filter util.BytesFilter)
 	}
 }
 
-// A Writer interface wirtes textual contents to a writer.
+// A Writer interface writes textual contents to a writer.
 type Writer interface {
 	// Write writes the given source to writer with resolving references and unescaping
 	// backslash escaped characters.
 	Write(writer util.BufWriter, source []byte)
 
-	// RawWrite wirtes the given source to writer without resolving references and
+	// RawWrite writes the given source to writer without resolving references and
 	// unescaping backslash escaped characters.
 	RawWrite(writer util.BufWriter, source []byte)
 }
diff --git a/text/segment.go b/text/segment.go
index 0f43fcc..badd4bc 100644
--- a/text/segment.go
+++ b/text/segment.go
@@ -7,7 +7,7 @@ import (
 
 var space = []byte(" ")
 
-// A Segment struct holds information about source potisions.
+// A Segment struct holds information about source positions.
 type Segment struct {
 	// Start is a start position of the segment.
 	Start int
@@ -197,7 +197,7 @@ func (s *Segments) Sliced(lo, hi int) []Segment {
 	return s.values[lo:hi]
 }
 
-// Clear delete all element of the collction.
+// Clear delete all element of the collection.
 func (s *Segments) Clear() {
 	s.values = nil
 }
diff --git a/util/util.go b/util/util.go
index c64a291..efc43cd 100644
--- a/util/util.go
+++ b/util/util.go
@@ -55,7 +55,7 @@ func (b *CopyOnWriteBuffer) IsCopied() bool {
 	return b.copied
 }
 
-// IsEscapedPunctuation returns true if caracter at a given index i
+// IsEscapedPunctuation returns true if character at a given index i
 // is an escaped punctuation, otherwise false.
 func IsEscapedPunctuation(source []byte, i int) bool {
 	return source[i] == '\\' && i < len(source)-1 && IsPunct(source[i+1])
@@ -229,7 +229,7 @@ func IndentWidth(bs []byte, currentPos int) (width, pos int) {
 	return
 }
 
-// FirstNonSpacePosition returns a potisoin line that is a first nonspace
+// FirstNonSpacePosition returns a position line that is a first nonspace
 // character.
 func FirstNonSpacePosition(bs []byte) int {
 	i := 0
@@ -589,7 +589,7 @@ var htmlSpace = []byte("%20")
 //   2. resolve numeric references
 //   3. resolve entity references
 //
-// URL encoded values (%xx) are keeped as is.
+// URL encoded values (%xx) are kept as is.
 func URLEscape(v []byte, resolveReference bool) []byte {
 	if resolveReference {
 		v = UnescapePunctuations(v)