typo in args

modules/ROOT/pages/args.adoc

@@ -34,7 +34,7 @@ A full list of argument types are below;
 | Type                        | Rendered as                       | Allowed values
 | (default)                   | <<arg-textbox,Textbox>>           | If a `type:` is not set, and `choices:` is empty, then ascii will be used, and a warning will be logged. It is recommended that you set the type explicitly, rather than relying on defaults.
 | ascii                       | <<arg-textbox,Textbox>>           | a-z (case insensitive), 0-9, but no spaces or punctuation
-| ascii_identifier            | <<arg-textbox,Textbox>>           | Like a DNS name, a-Z (case insensitive), 0-0, `-`, `.`, and `_`. 
+| ascii_identifier            | <<arg-textbox,Textbox>>           | Like a DNS name, a-Z (case insensitive), 0-9, `-`, `.`, and `_`. 
 | ascii_sentence              | <<arg-textbox,Textbox>>           | a-z (case insensitive), 0-9, with spaces, `.` and `,`. 
 | very_dangerous_raw_string   | <<arg-textbox,Textbox>>           | Anything. This is **incredibly dangerous**, as effectively people can type anything they like, including executing additional commands beyond what you specify. Absolutely should not be used unless your OliveTin instance can only be used by people you trust entirely.
 | regex:...                   | <<arg-textbox,Textbox>>           | Version 2024.03.081 and above support custom regex patterns. See <<args-custom-regex,Custom regex arguments>>.