Fix flag names in usage

plugins/cli/cli.go

@@ -41,7 +41,7 @@ func printUsage() {
 	)
 	flag.PrintDefaults()
 
-	fmt.Fprintf(os.Stderr, "\nThe following plugins are enabled by default and can be disabled with -%s:\n  %s\n", node.CFG_DISABLE_PLUGINS, getList(enabledPlugins))
-	fmt.Fprintf(os.Stderr, "The following plugins are disabled by default and can be enabled with -%s:\n  %s\n", node.CFG_ENABLE_PLGUINS, getList(disabledPlugins))
+	fmt.Fprintf(os.Stderr, "\nThe following plugins are enabled by default and can be disabled with --%s:\n  %s\n", node.CFG_DISABLE_PLUGINS, getList(enabledPlugins))
+	fmt.Fprintf(os.Stderr, "The following plugins are disabled by default and can be enabled with --%s:\n  %s\n", node.CFG_ENABLE_PLGUINS, getList(disabledPlugins))
 	fmt.Fprintf(os.Stderr, "The enabled/disabled plugins can be overridden by altering %s/%s inside config.json\n\n", node.CFG_ENABLE_PLGUINS, node.CFG_DISABLE_PLUGINS)
 }