[Minor] Fix command line arguments group

Issue: #3742

diff --git a/lualib/rspamadm/dns_tool.lua b/lualib/rspamadm/dns_tool.lua
index 0bdb0a722ecbd0ef89277eb2bf2db0151947f209..1cbd6b8b58056bb2ad354a81f215932922a0f18c 100644 (file)
--- a/lualib/rspamadm/dns_tool.lua
+++ b/lualib/rspamadm/dns_tool.lua
@@ -21,7 +21,7 @@ local ansicolors = require "ansicolors"
 local bit = require "bit"
 
 local parser = argparse()
-    :name "rspamadm dns_tool"
+    :name "rspamadm dnstool"
     :description "DNS tools provided by Rspamd"
     :help_description_margin(30)
     :command_target("command")
@@ -34,7 +34,7 @@ parser:option "-c --config"
 
 local spf = parser:command "spf"
                       :description "Extracts spf records"
-parser:mutex(
+spf:mutex(
     spf:option "-d --domain"
        :description "Domain to use"
        :argname("<domain>"),