Better 'goal asset' help documentation. (#1687)

Better 'goal asset' help documentation

cmd/goal/asset.go

@@ -67,7 +67,7 @@ func init() {
 	createAssetCmd.MarkFlagRequired("creator")
 
 	destroyAssetCmd.Flags().StringVar(&assetManager, "manager", "", "Manager account to issue the destroy transaction (defaults to creator)")
-	destroyAssetCmd.Flags().StringVar(&assetCreator, "creator", "", "Account address for asset to destroy")
+	destroyAssetCmd.Flags().StringVar(&assetCreator, "creator", "", "Creator account address for asset to destroy")
 	destroyAssetCmd.Flags().Uint64Var(&assetID, "assetid", 0, "Asset ID to destroy")
 	destroyAssetCmd.Flags().StringVar(&assetUnitName, "asset", "", "Unit name of asset to destroy")
 
@@ -256,7 +256,7 @@ var createAssetCmd = &cobra.Command{
 var destroyAssetCmd = &cobra.Command{
 	Use:   "destroy",
 	Short: "Destroy an asset",
-	Long:  `Issue a transaction deleting an asset from the network. This transaction must be issued by the asset owner, who must hold all outstanding asset tokens.`,
+	Long:  `Issue a transaction deleting an asset from the network. This transaction must be issued by the asset manager while the creator holds all of the asset's tokens.`,
 	Args:  validateNoPosArgsFn,
 	Run: func(cmd *cobra.Command, _ []string) {
 		checkTxValidityPeriodCmdFlags(cmd)