Fix function comment to consistent with its name

Signed-off-by: xichengliudui <1693291525@qq.com>

pkg/chartutil/capabilities.go

@@ -40,7 +40,7 @@ var (
 
 // Capabilities describes the capabilities of the Kubernetes cluster that Tiller is attached to.
 type Capabilities struct {
-	// List of all supported API versions
+	// APIVersions list of all supported API versions
 	APIVersions VersionSet
 	// KubeVersion is the Kubernetes version
 	KubeVersion *version.Info

pkg/chartutil/requirements.go

@@ -85,7 +85,7 @@ type Requirements struct {
 //
 // It represents the state that the dependencies should be in.
 type RequirementsLock struct {
-	// Genderated is the date the lock file was last generated.
+	// Generated is the date the lock file was last generated.
 	Generated time.Time `json:"generated"`
 	// Digest is a hash of the requirements file used to generate it.
 	Digest string `json:"digest"`

pkg/downloader/chart_downloader.go

@@ -65,11 +65,11 @@ type ChartDownloader struct {
 	Keyring string
 	// HelmHome is the $HELM_HOME.
 	HelmHome helmpath.Home
-	// Getter collection for the operation
+	// Getters collection for the operation
 	Getters getter.Providers
-	// Chart repository username
+	// Username chart repository username
 	Username string
-	// Chart repository password
+	// Password chart repository password
 	Password string
 }
 
@@ -243,14 +243,14 @@ func (c *ChartDownloader) ResolveChartVersion(ref, version string) (*url.URL, ge
 	return u, r.Client, nil
 }
 
-// If HttpGetter is used, this method sets the configured repository credentials on the HttpGetter.
+// setCredentials if HttpGetter is used, this method sets the configured repository credentials on the HttpGetter.
 func (c *ChartDownloader) setCredentials(r *repo.ChartRepository) {
 	if t, ok := r.Client.(*getter.HttpGetter); ok {
 		t.SetCredentials(c.getRepoCredentials(r))
 	}
 }
 
-// If this ChartDownloader is not configured to use credentials, and the chart repository sent as an argument is,
+// getRepoCredentials if this ChartDownloader is not configured to use credentials, and the chart repository sent as an argument is,
 // then the repository's configured credentials are returned.
 // Else, this ChartDownloader's credentials are returned.
 func (c *ChartDownloader) getRepoCredentials(r *repo.ChartRepository) (username, password string) {