diff --git a/feed.go b/feed.go
index e51e7f9..b29ecf8 100644
--- a/feed.go
+++ b/feed.go
@@ -16,7 +16,7 @@ type Feed struct {
 	Generator    *Generator          `xml:"generator,omitempty"`
 	Icon         *Icon               `xml:"icon,omitempty"`
 	ID           *ID                 `xml:"id"`
-	Links        []*Link             `xml:"link,omitempty"` // There should be one link with rel "self"
+	Links        []*Link             `xml:"link,omitempty"`
 	Logo         *Logo               `xml:"logo,omitempty"`
 	Rights       Text                `xml:"rights,omitempty"`
 	Subtitle     Text                `xml:"subtitle,omitempty"`
@@ -26,7 +26,7 @@ type Feed struct {
 	Entries      []*Entry            `xml:"entry,omitempty"`
 }
 
-// NewFeed creates a new feed
+// NewFeed creates a new feed.
 func NewFeed(title string, updated time.Time) (*Feed, error) {
 	text, err := NewText("text", title)
 	if err != nil {
@@ -40,7 +40,7 @@ func NewFeed(title string, updated time.Time) (*Feed, error) {
 	}, nil
 }
 
-// AddAuthor adds the person as an author to the feed
+// AddAuthor adds the person as an author to the feed.
 func (f *Feed) AddAuthor(p *Person) {
 	if f.Authors == nil {
 		f.Authors = make([]*Person, 1)
@@ -50,7 +50,7 @@ func (f *Feed) AddAuthor(p *Person) {
 	}
 }
 
-// AddCategory adds the category to the feed
+// AddCategory adds the category to the feed.
 func (f *Feed) AddCategory(c *Category) {
 	if f.Categories == nil {
 		f.Categories = make([]*Category, 1)
@@ -60,7 +60,7 @@ func (f *Feed) AddCategory(c *Category) {
 	}
 }
 
-// AddContributor adds the contributor to the feed
+// AddContributor adds the contributor to the feed.
 func (f *Feed) AddContributor(c *Person) {
 	if f.Contributors == nil {
 		f.Contributors = make([]*Person, 1)
@@ -70,7 +70,8 @@ func (f *Feed) AddContributor(c *Person) {
 	}
 }
 
-// AddLink adds the link to the feed
+// AddLink adds the link to the feed.
+// There should be one link with rel "self".
 func (f *Feed) AddLink(l *Link) {
 	if f.Links == nil {
 		f.Links = make([]*Link, 1)
@@ -80,7 +81,7 @@ func (f *Feed) AddLink(l *Link) {
 	}
 }
 
-// AddExtension adds the extension to the feed
+// AddExtension adds the extension to the feed.
 func (f *Feed) AddExtension(e *ExtensionElement) {
 	if f.Extensions == nil {
 		f.Extensions = make([]*ExtensionElement, 1)
@@ -90,7 +91,7 @@ func (f *Feed) AddExtension(e *ExtensionElement) {
 	}
 }
 
-// AddEntry adds the entry to the feed
+// AddEntry adds the entry to the feed.
 func (f *Feed) AddEntry(e *Entry) {
 	if f.Entries == nil {
 		f.Entries = make([]*Entry, 1)
@@ -100,7 +101,7 @@ func (f *Feed) AddEntry(e *Entry) {
 	}
 }
 
-// Check checks the feed for incompatibilities with the Atom standard
+// Check checks the feed for incompatibilities with the Atom standard.
 func (f *Feed) Check() error {
 	if f.ID == nil {
 		return errors.New("no id element of feed")
@@ -232,7 +233,7 @@ func (f *Feed) Standardize() {
 	}
 }
 
-// ToXML converts the feed to XML
+// ToXML converts the feed to XML.
 func (f *Feed) ToXML(encoding string) (string, error) {
 	xml, err := xml.MarshalIndent(f, "", "  ")
 	if err != nil {