ref(kubectl): update GetByKind func description

pkg/kubectl/get.go

@@ -13,7 +13,7 @@ func (r RealRunner) Get(stdin []byte, ns string) ([]byte, error) {
 	return cmd.CombinedOutput()
 }
 
-// GetByKind gets a named thing by kind.
+// GetByKind gets resources by kind, name(optional), and namespace(optional)
 func (r RealRunner) GetByKind(kind, name, ns string) (string, error) {
 	args := []string{"get", kind}
 
@@ -42,7 +42,7 @@ func (r PrintRunner) Get(stdin []byte, ns string) ([]byte, error) {
 	return []byte(cmd.String()), nil
 }
 
-// GetByKind gets a named thing by kind.
+// GetByKind gets resources by kind, name(optional), and namespace(optional)
 func (r PrintRunner) GetByKind(kind, name, ns string) (string, error) {
 	args := []string{"get", kind}