diff --git a/lua/tsql.lua b/lua/tsql.lua
index 6b3ceae..fb384e6 100644
--- a/lua/tsql.lua
+++ b/lua/tsql.lua
@@ -226,11 +226,11 @@ function M.setup(config)
     M.config = vim.tbl_deep_extend("force", M.config, config or M.config_default)
     M.config.nvim_ns = vim.api.nvim_create_namespace("tsql")
 
-    vim.api.nvim_create_user_command("Noh", function() M.clear_highlights() end,
-        { nargs = "0", desc = "Clear tsql highlights" })
+    vim.api.nvim_create_user_command("Noh", function(_) M.clear_highlights() end,
+        { nargs = 0, desc = "Clear tsql highlights" })
     vim.api.nvim_create_user_command("Tdsl", function(cmd)
         M.s(cmd.args):do_nvim(M.store)
-    end, { nargs = "*", desc = "tsql DSL invocation" })
+    end, { nargs = "?", desc = "tsql DSL invocation" })
 
     M.store = M.Store:new()
 end