chore: fix some typos in comments (#4335)

registry/api/v2/urls.go

@@ -202,7 +202,7 @@ func (ub *URLBuilder) BuildBlobUploadChunkURL(name reference.Named, uuid string,
 	return appendValuesURL(uploadURL, values...).String(), nil
 }
 
-// clondedRoute returns a clone of the named route from the router. Routes
+// cloneRoute returns a clone of the named route from the router. Routes
 // must be cloned to avoid modifying them during url generation.
 func (ub *URLBuilder) cloneRoute(name string) clonedRoute {
 	route := new(mux.Route)

registry/auth/auth.go

@@ -46,7 +46,7 @@ var (
 )
 
 // InitFunc is the type of an AccessController factory function and is used
-// to register the constructor for different AccesController backends.
+// to register the constructor for different AccessController backends.
 type InitFunc func(options map[string]interface{}) (AccessController, error)
 
 var accessControllers map[string]InitFunc

registry/auth/token/accesscontroller.go

@@ -127,7 +127,7 @@ func (ac authChallenge) challengeParams(r *http.Request) string {
 	return str
 }
 
-// SetChallenge sets the WWW-Authenticate value for the response.
+// SetHeaders sets the WWW-Authenticate value for the response.
 func (ac authChallenge) SetHeaders(r *http.Request, w http.ResponseWriter) {
 	w.Header().Add("WWW-Authenticate", ac.challengeParams(r))
 }