diff --git a/modules/context/api.go b/modules/context/api.go
index 0da1823797558..2823d696d2b3b 100644
--- a/modules/context/api.go
+++ b/modules/context/api.go
@@ -16,6 +16,7 @@ import (
 	macaron "gopkg.in/macaron.v1"
 )
 
+// APIContext is a specific macaron context for API service
 type APIContext struct {
 	*Context
 	Org *APIOrganization
@@ -63,6 +64,7 @@ func (ctx *APIContext) SetLinkHeader(total, pageSize int) {
 	}
 }
 
+// APIContexter returns apicontext as macaron middleware
 func APIContexter() macaron.Handler {
 	return func(c *Context) {
 		ctx := &APIContext{
diff --git a/modules/context/api_org.go b/modules/context/api_org.go
index bb6d14e26e18e..3a2c8c559d0c0 100644
--- a/modules/context/api_org.go
+++ b/modules/context/api_org.go
@@ -8,6 +8,7 @@ import (
 	"code.gitea.io/gitea/models"
 )
 
+// APIOrganization contains organization and team
 type APIOrganization struct {
 	Organization *models.User
 	Team         *models.Team
diff --git a/modules/context/auth.go b/modules/context/auth.go
index ff3d3955411e6..0e5ae93a873b1 100644
--- a/modules/context/auth.go
+++ b/modules/context/auth.go
@@ -13,6 +13,7 @@ import (
 	macaron "gopkg.in/macaron.v1"
 )
 
+// ToggleOptions contains required or check options
 type ToggleOptions struct {
 	SignInRequired  bool
 	SignOutRequired bool
@@ -20,6 +21,7 @@ type ToggleOptions struct {
 	DisableCSRF     bool
 }
 
+// Toggle returns toggle options as middleware
 func Toggle(options *ToggleOptions) macaron.Handler {
 	return func(ctx *Context) {
 		// Cannot view any page before installation.
diff --git a/modules/context/context.go b/modules/context/context.go
index fd3798b508aa5..0535da995a698 100644
--- a/modules/context/context.go
+++ b/modules/context/context.go
@@ -40,8 +40,8 @@ type Context struct {
 	Org  *Organization
 }
 
-// HasError returns true if error occurs in form validation.
-func (ctx *Context) HasApiError() bool {
+// HasAPIError returns true if error occurs in form validation.
+func (ctx *Context) HasAPIError() bool {
 	hasErr, ok := ctx.Data["HasError"]
 	if !ok {
 		return false
@@ -49,6 +49,7 @@ func (ctx *Context) HasApiError() bool {
 	return hasErr.(bool)
 }
 
+// GetErrMsg returns error message
 func (ctx *Context) GetErrMsg() string {
 	return ctx.Data["ErrorMsg"].(string)
 }
@@ -116,6 +117,7 @@ func (ctx *Context) NotFoundOrServerError(title string, errck func(error) bool,
 	ctx.Handle(500, title, err)
 }
 
+// HandleText handles HTTP status code
 func (ctx *Context) HandleText(status int, title string) {
 	if (status/100 == 4) || (status/100 == 5) {
 		log.Error(4, "%s", title)
@@ -123,6 +125,7 @@ func (ctx *Context) HandleText(status int, title string) {
 	ctx.PlainText(status, []byte(title))
 }
 
+// ServeContent serves content to http request
 func (ctx *Context) ServeContent(name string, r io.ReadSeeker, params ...interface{}) {
 	modtime := time.Now()
 	for _, p := range params {
diff --git a/modules/context/org.go b/modules/context/org.go
index 50919ef97ef22..d31d9773a0a95 100644
--- a/modules/context/org.go
+++ b/modules/context/org.go
@@ -12,6 +12,7 @@ import (
 	macaron "gopkg.in/macaron.v1"
 )
 
+// Organization contains organization context
 type Organization struct {
 	IsOwner      bool
 	IsMember     bool
@@ -23,6 +24,7 @@ type Organization struct {
 	Team *models.Team
 }
 
+// HandleOrgAssignment handles organization assignment
 func HandleOrgAssignment(ctx *Context, args ...bool) {
 	var (
 		requireMember     bool
@@ -145,6 +147,7 @@ func HandleOrgAssignment(ctx *Context, args ...bool) {
 	}
 }
 
+// OrgAssignment returns a macaron middleware to handle organization assignment
 func OrgAssignment(args ...bool) macaron.Handler {
 	return func(ctx *Context) {
 		HandleOrgAssignment(ctx, args...)
diff --git a/modules/context/repo.go b/modules/context/repo.go
index e3683a1498794..6135ac46aecdb 100644
--- a/modules/context/repo.go
+++ b/modules/context/repo.go
@@ -19,6 +19,7 @@ import (
 	macaron "gopkg.in/macaron.v1"
 )
 
+// PullRequest contains informations to make a pull request
 type PullRequest struct {
 	BaseRepo *models.Repository
 	Allowed  bool
@@ -26,6 +27,7 @@ type PullRequest struct {
 	HeadInfo string // [<user>:]<branch>
 }
 
+// Repository contains informations to operate a repository
 type Repository struct {
 	AccessMode   models.AccessMode
 	IsWatching   bool
@@ -96,6 +98,7 @@ func (r *Repository) GetEditorconfig() (*editorconfig.Editorconfig, error) {
 	return editorconfig.ParseBytes(data)
 }
 
+// RetrieveBaseRepo retrieves base repository
 func RetrieveBaseRepo(ctx *Context, repo *models.Repository) {
 	// Non-fork repository will not return error in this method.
 	if err := repo.GetBaseRepo(); err != nil {
@@ -130,6 +133,7 @@ func earlyResponseForGoGetMeta(ctx *Context) {
 		})))
 }
 
+// RepoAssignment returns a macaron to handle repository assignment
 func RepoAssignment(args ...bool) macaron.Handler {
 	return func(ctx *Context) {
 		var (
@@ -446,6 +450,7 @@ func RepoRef() macaron.Handler {
 	}
 }
 
+// RequireRepoAdmin returns a macaron middleware for requiring repository admin permission
 func RequireRepoAdmin() macaron.Handler {
 	return func(ctx *Context) {
 		if !ctx.IsSigned || (!ctx.Repo.IsAdmin() && !ctx.User.IsAdmin) {
@@ -455,6 +460,7 @@ func RequireRepoAdmin() macaron.Handler {
 	}
 }
 
+// RequireRepoWriter returns a macaron middleware for requiring repository write permission
 func RequireRepoWriter() macaron.Handler {
 	return func(ctx *Context) {
 		if !ctx.IsSigned || (!ctx.Repo.IsWriter() && !ctx.User.IsAdmin) {
diff --git a/modules/httplib/httplib.go b/modules/httplib/httplib.go
index ff03195c8fa4b..c4e613f765793 100644
--- a/modules/httplib/httplib.go
+++ b/modules/httplib/httplib.go
@@ -36,7 +36,7 @@ func createDefaultCookie() {
 	defaultCookieJar, _ = cookiejar.New(nil)
 }
 
-// Overwrite default settings
+// SetDefaultSetting overwrites default settings
 func SetDefaultSetting(setting Settings) {
 	settingMutex.Lock()
 	defer settingMutex.Unlock()
@@ -49,7 +49,7 @@ func SetDefaultSetting(setting Settings) {
 	}
 }
 
-// return *Request with specific method
+// newRequest returns *Request with specific method
 func newRequest(url, method string) *Request {
 	var resp http.Response
 	req := http.Request{
@@ -87,18 +87,19 @@ func Head(url string) *Request {
 	return newRequest(url, "HEAD")
 }
 
+// Settings is the default settings for http client
 type Settings struct {
 	ShowDebug        bool
 	UserAgent        string
 	ConnectTimeout   time.Duration
 	ReadWriteTimeout time.Duration
-	TlsClientConfig  *tls.Config
+	TLSClientConfig  *tls.Config
 	Proxy            func(*http.Request) (*url.URL, error)
 	Transport        http.RoundTripper
 	EnableCookie     bool
 }
 
-// HttpRequest provides more useful methods for requesting one url than http.Request.
+// Request provides more useful methods for requesting one url than http.Request.
 type Request struct {
 	url     string
 	req     *http.Request
@@ -109,7 +110,7 @@ type Request struct {
 	body    []byte
 }
 
-// Change request settings
+// Setting changes request settings
 func (r *Request) Setting(setting Settings) *Request {
 	r.setting = setting
 	return r
@@ -148,7 +149,7 @@ func (r *Request) SetTimeout(connectTimeout, readWriteTimeout time.Duration) *Re
 
 // SetTLSClientConfig sets tls connection configurations if visiting https url.
 func (r *Request) SetTLSClientConfig(config *tls.Config) *Request {
-	r.setting.TlsClientConfig = config
+	r.setting.TLSClientConfig = config
 	return r
 }
 
@@ -158,11 +159,12 @@ func (r *Request) Header(key, value string) *Request {
 	return r
 }
 
+// Headers returns headers in request.
 func (r *Request) Headers() http.Header {
 	return r.req.Header
 }
 
-// Set the protocol version for incoming requests.
+// SetProtocolVersion sets the protocol version for incoming requests.
 // Client requests always use HTTP/1.1.
 func (r *Request) SetProtocolVersion(vers string) *Request {
 	if len(vers) == 0 {
@@ -185,13 +187,13 @@ func (r *Request) SetCookie(cookie *http.Cookie) *Request {
 	return r
 }
 
-// Set transport to
+// SetTransport sets transport to
 func (r *Request) SetTransport(transport http.RoundTripper) *Request {
 	r.setting.Transport = transport
 	return r
 }
 
-// Set http proxy
+// SetProxy sets http proxy
 // example:
 //
 //	func(req *http.Request) (*url.URL, error) {
@@ -210,6 +212,7 @@ func (r *Request) Param(key, value string) *Request {
 	return r
 }
 
+// PostFile uploads file via http
 func (r *Request) PostFile(formname, filename string) *Request {
 	r.files[formname] = filename
 	return r
@@ -301,7 +304,7 @@ func (r *Request) getResponse() (*http.Response, error) {
 	if trans == nil {
 		// create default transport
 		trans = &http.Transport{
-			TLSClientConfig: r.setting.TlsClientConfig,
+			TLSClientConfig: r.setting.TLSClientConfig,
 			Proxy:           r.setting.Proxy,
 			Dial:            TimeoutDialer(r.setting.ConnectTimeout, r.setting.ReadWriteTimeout),
 		}
@@ -309,7 +312,7 @@ func (r *Request) getResponse() (*http.Response, error) {
 		// if r.transport is *http.Transport then set the settings.
 		if t, ok := trans.(*http.Transport); ok {
 			if t.TLSClientConfig == nil {
-				t.TLSClientConfig = r.setting.TlsClientConfig
+				t.TLSClientConfig = r.setting.TLSClientConfig
 			}
 			if t.Proxy == nil {
 				t.Proxy = r.setting.Proxy
@@ -409,9 +412,9 @@ func (r *Request) ToFile(filename string) error {
 	return err
 }
 
-// ToJson returns the map that marshals from the body bytes as json in response .
+// ToJSON returns the map that marshals from the body bytes as json in response .
 // it calls Response inner.
-func (r *Request) ToJson(v interface{}) error {
+func (r *Request) ToJSON(v interface{}) error {
 	data, err := r.Bytes()
 	if err != nil {
 		return err
@@ -420,9 +423,9 @@ func (r *Request) ToJson(v interface{}) error {
 	return err
 }
 
-// ToXml returns the map that marshals from the body bytes as xml in response .
+// ToXML returns the map that marshals from the body bytes as xml in response .
 // it calls Response inner.
-func (r *Request) ToXml(v interface{}) error {
+func (r *Request) ToXML(v interface{}) error {
 	data, err := r.Bytes()
 	if err != nil {
 		return err
diff --git a/routers/api/v1/misc/markdown.go b/routers/api/v1/misc/markdown.go
index 23b5b269aad0f..1a0c003e7f303 100644
--- a/routers/api/v1/misc/markdown.go
+++ b/routers/api/v1/misc/markdown.go
@@ -14,7 +14,7 @@ import (
 // Markdown render markdown document to HTML
 // see https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-an-arbitrary-markdown-document
 func Markdown(ctx *context.APIContext, form api.MarkdownOption) {
-	if ctx.HasApiError() {
+	if ctx.HasAPIError() {
 		ctx.Error(422, "", ctx.GetErrMsg())
 		return
 	}