Mark command short descriptions with translators: tag

cli/app/volume.go

@@ -19,6 +19,7 @@ var AppVolumeListCommand = &cobra.Command{
 	// translators: `app volume list` command
 	Use:     i18n.G("list <domain> [flags]"),
 	Aliases: []string{i18n.G("ls")},
+	// translators: Short description for `app list` command
 	Short:   i18n.G("List volumes associated with an app"),
 	Args:    cobra.ExactArgs(1),
 	ValidArgsFunction: func(
@@ -76,6 +77,7 @@ var AppVolumeListCommand = &cobra.Command{
 var AppVolumeRemoveCommand = &cobra.Command{
 	// translators: `app volume remove` command
 	Use:   i18n.G("remove <domain> [volume] [flags]"),
+	// translators: Short description for `app volume remove` command
 	Short: i18n.G("Remove volume(s) associated with an app"),
 	Long: i18n.G(`Remove volumes associated with an app.