improve member subcommands

scm-clients/scm-cli-client/src/main/java/sonia/scm/cli/cmd/MembersSubCommand.java

@@ -154,6 +154,10 @@ public abstract class MembersSubCommand extends TemplateSubCommand
   private List<String> members;
 
   /** Field description */
-  @Argument(usage = "optionGroupName", required = true)
+  @Argument(
+    usage = "optionGroupName",
+    metaVar = "metaVar_groupName",
+    required = true
+  )
   private String name;
 }

scm-clients/scm-cli-client/src/main/resources/sonia/resources/i18n.properties

@@ -58,7 +58,7 @@ optionUserPassword = Password
 optionUserType = Type
 optionUserAdmin = Administrator
 
-optionGroupName = Name
+optionGroupName = Name of the group
 optionGroupDescription = Description
 optionGroupType = Type
 optionGroupMember = Member
@@ -71,6 +71,7 @@ metaVar_config = configname
 metaVar_arg = subcommand arguments
 metaVar_command = subcommand
 metaVar_permissionType = value
+metaVar_groupName = groupname
 
 config = Configuration
 misc = Miscellaneous