diff --git a/src/core/api/chart_label.go b/src/core/api/chart_label.go
index e70254e77..6379c9a59 100644
--- a/src/core/api/chart_label.go
+++ b/src/core/api/chart_label.go
@@ -14,7 +14,7 @@ const (
 	idParam      = ":id"
 )
 
-// ChartLabelAPI handles the requests of marking/removing lables to/from charts.
+// ChartLabelAPI handles the requests of marking/removing labels to/from charts.
 type ChartLabelAPI struct {
 	LabelResourceAPI
 	project       *models.Project
diff --git a/src/core/api/chart_repository.go b/src/core/api/chart_repository.go
index 7c45d36bc..bc7ad8487 100755
--- a/src/core/api/chart_repository.go
+++ b/src/core/api/chart_repository.go
@@ -269,7 +269,7 @@ func (cra *ChartRepositoryAPI) DeleteChartVersion() {
 	chartName := cra.GetStringFromPath(nameParam)
 	version := cra.GetStringFromPath(versionParam)
 
-	// Try to remove labels from deleting chart if exitsing
+	// Try to remove labels from deleting chart if existing
 	if err := cra.removeLabelsFromChart(chartName, version); err != nil {
 		cra.SendInternalServerError(err)
 		return
@@ -408,7 +408,7 @@ func (cra *ChartRepositoryAPI) DeleteChart() {
 }
 
 func (cra *ChartRepositoryAPI) removeLabelsFromChart(chartName, version string) error {
-	// Try to remove labels from deleting chart if exitsing
+	// Try to remove labels from deleting chart if existing
 	resourceID := chartFullName(cra.namespace, chartName, version)
 	labels, err := cra.labelManager.GetLabelsOfResource(common.ResourceTypeChart, resourceID)
 	if err == nil && len(labels) > 0 {
@@ -432,7 +432,7 @@ func (cra *ChartRepositoryAPI) requireNamespace(namespace string) bool {
 		return false
 	}
 
-	existsing, err := cra.ProjectMgr.Exists(namespace)
+	existing, err := cra.ProjectMgr.Exists(namespace)
 	if err != nil {
 		// Check failed with error
 		cra.SendInternalServerError(fmt.Errorf("failed to check existence of namespace %s with error: %s", namespace, err.Error()))
@@ -440,7 +440,7 @@ func (cra *ChartRepositoryAPI) requireNamespace(namespace string) bool {
 	}
 
 	// Not existing
-	if !existsing {
+	if !existing {
 		cra.SendBadRequestError(fmt.Errorf("namespace %s is not existing", namespace))
 		return false
 	}
diff --git a/src/core/api/label.go b/src/core/api/label.go
index eb2aaaf88..db4636078 100644
--- a/src/core/api/label.go
+++ b/src/core/api/label.go
@@ -49,7 +49,7 @@ func (l *LabelAPI) Prepare() {
 	if method == http.MethodPut || method == http.MethodDelete {
 		id, err := l.GetInt64FromPath(":id")
 		if err != nil || id <= 0 {
-			l.SendBadRequestError(errors.New("invalid lable ID"))
+			l.SendBadRequestError(errors.New("invalid label ID"))
 			return
 		}
 
diff --git a/src/core/api/quota/migrator.go b/src/core/api/quota/migrator.go
index cc32e0cf3..cc7b3b0c7 100644
--- a/src/core/api/quota/migrator.go
+++ b/src/core/api/quota/migrator.go
@@ -38,7 +38,7 @@ type QuotaMigrator interface {
 	// Usage computes the quota usage of all the projects
 	Usage([]ProjectInfo) ([]ProjectUsage, error)
 
-	// Persist record the data to DB, artifact, artifact_blob and blob tabel.
+	// Persist record the data to DB, artifact, artifact_blob and blob table.
 	Persist([]ProjectInfo) error
 }
 
diff --git a/src/core/api/repository.go b/src/core/api/repository.go
index 8a40d5f49..6c1fa1483 100755
--- a/src/core/api/repository.go
+++ b/src/core/api/repository.go
@@ -271,7 +271,7 @@ func (ra *RepositoryAPI) Delete() {
 			}
 			log.Debugf("Tag: %s, digest: %s", t, digest)
 			if _, ok := signedTags[digest]; ok {
-				log.Errorf("Found signed tag, repostory: %s, tag: %s, deletion will be canceled", repoName, t)
+				log.Errorf("Found signed tag, repository: %s, tag: %s, deletion will be canceled", repoName, t)
 				ra.SendPreconditionFailedError(fmt.Errorf("tag %s is signed", t))
 				return
 			}
@@ -858,7 +858,7 @@ func getManifest(client *registry.Repository,
 	return result, nil
 }
 
-// GetTopRepos returns the most populor repositories
+// GetTopRepos returns the most popular repositories
 func (ra *RepositoryAPI) GetTopRepos() {
 	count, err := ra.GetInt("count", 10)
 	if err != nil || count <= 0 {
diff --git a/src/core/api/systeminfo.go b/src/core/api/systeminfo.go
index a0929d545..30d798dd2 100644
--- a/src/core/api/systeminfo.go
+++ b/src/core/api/systeminfo.go
@@ -235,7 +235,7 @@ func getClairVulnStatus() *models.ClairVulnerabilityStatus {
 		m := make(map[string]int64)
 		for _, e := range l {
 			ns := strings.Split(e.Namespace, ":")
-			// only returns the latest time of one distro, i.e. unbuntu:14.04 and ubuntu:15.4 shares one timestamp
+			// only returns the latest time of one distro, i.e. ubuntu:14.04 and ubuntu:15.4 shares one timestamp
 			el := e.LastUpdate.UTC().Unix()
 			if ts, ok := m[ns[0]]; !ok || ts < el {
 				m[ns[0]] = el
diff --git a/src/core/notifier/notification_handler.go b/src/core/notifier/notification_handler.go
index 9bc893055..876521edb 100644
--- a/src/core/notifier/notification_handler.go
+++ b/src/core/notifier/notification_handler.go
@@ -8,7 +8,7 @@ type NotificationHandler interface {
 	Handle(value interface{}) error
 
 	// IsStateful returns whether the handler is stateful or not.
-	// If handler is stateful, it will not be triggerred in parallel.
+	// If handler is stateful, it will not be triggered in parallel.
 	// Otherwise, the handler will be triggered concurrently if more
 	// than one same handler are matched the topics.
 	IsStateful() bool
diff --git a/src/core/promgr/metamgr/metamgr.go b/src/core/promgr/metamgr/metamgr.go
index 06ce99ba8..458e51637 100644
--- a/src/core/promgr/metamgr/metamgr.go
+++ b/src/core/promgr/metamgr/metamgr.go
@@ -26,7 +26,7 @@ type ProjectMetadataManager interface {
 	Add(projectID int64, meta map[string]string) error
 	// Delete metadatas whose keys are specified in parameter meta, if it
 	// is absent, delete all
-	Delete(projecdtID int64, meta ...string) error
+	Delete(projectID int64, meta ...string) error
 	// Update metadatas
 	Update(projectID int64, meta map[string]string) error
 	// Get metadatas whose keys are specified in parameter meta, if it is
diff --git a/src/core/promgr/promgr.go b/src/core/promgr/promgr.go
index 3ac8f6ca8..60661e020 100644
--- a/src/core/promgr/promgr.go
+++ b/src/core/promgr/promgr.go
@@ -25,7 +25,7 @@ import (
 	"github.com/goharbor/harbor/src/core/promgr/pmsdriver"
 )
 
-// ProjectManager is the project mamager which abstracts the operations related
+// ProjectManager is the project manager which abstracts the operations related
 // to projects
 type ProjectManager interface {
 	Get(projectIDOrName interface{}) (*models.Project, error)
diff --git a/src/core/service/notifications/admin/handler.go b/src/core/service/notifications/admin/handler.go
index 326c6b52d..cd85d3e46 100644
--- a/src/core/service/notifications/admin/handler.go
+++ b/src/core/service/notifications/admin/handler.go
@@ -35,7 +35,7 @@ var statusMap = map[string]string{
 	job.JobServiceStatusScheduled: models.JobScheduled,
 }
 
-// Handler handles reqeust on /service/notifications/jobs/adminjob/*, which listens to the webhook of jobservice.
+// Handler handles request on /service/notifications/jobs/adminjob/*, which listens to the webhook of jobservice.
 type Handler struct {
 	api.BaseController
 	id            int64
diff --git a/src/core/service/notifications/jobs/handler.go b/src/core/service/notifications/jobs/handler.go
index b383400b4..58d1054bf 100755
--- a/src/core/service/notifications/jobs/handler.go
+++ b/src/core/service/notifications/jobs/handler.go
@@ -41,7 +41,7 @@ var statusMap = map[string]string{
 	job.JobServiceStatusSuccess:   models.JobFinished,
 }
 
-// Handler handles reqeust on /service/notifications/jobs/*, which listens to the webhook of jobservice.
+// Handler handles request on /service/notifications/jobs/*, which listens to the webhook of jobservice.
 type Handler struct {
 	api.BaseController
 	id        int64
diff --git a/src/core/service/token/token.go b/src/core/service/token/token.go
index 338d9ab49..e378363ee 100644
--- a/src/core/service/token/token.go
+++ b/src/core/service/token/token.go
@@ -29,7 +29,7 @@ type Handler struct {
 
 // Get handles GET request, it checks the http header for user credentials
 // and parse service and scope based on docker registry v2 standard,
-// checkes the permission against local DB and generates jwt token.
+// checks the permission against local DB and generates jwt token.
 func (h *Handler) Get() {
 	request := h.Ctx.Request
 	log.Debugf("URL for token request: %s", request.URL.String())
diff --git a/src/core/utils/utils.go b/src/core/utils/utils.go
index e55f8a010..43d3dba1c 100644
--- a/src/core/utils/utils.go
+++ b/src/core/utils/utils.go
@@ -59,7 +59,7 @@ func newRepositoryClient(endpoint, username, repository string) (*registry.Repos
 	return registry.NewRepository(repository, endpoint, client)
 }
 
-// WaitForManifestReady implements exponential sleeep to wait until manifest is ready in registry.
+// WaitForManifestReady implements exponential sleep to wait until manifest is ready in registry.
 // This is a workaround for https://github.com/docker/distribution/issues/2625
 func WaitForManifestReady(repository string, tag string, maxRetry int) bool {
 	// The initial wait interval, hard-coded to 80ms, interval will be 80ms,200ms,500ms,1.25s,3.124999936s