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-rw-r--r--2025/ocaml/lib/presentation/cli.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/2025/ocaml/lib/presentation/cli.ml b/2025/ocaml/lib/presentation/cli.ml
index 26ec365..5349cb5 100644
--- a/2025/ocaml/lib/presentation/cli.ml
+++ b/2025/ocaml/lib/presentation/cli.ml
@@ -5,7 +5,7 @@ let run_day = function
failwith "day not implemented"
let day_arg =
- let doc = "Day to run (1-12)." in
+ let doc = "Day to run. MUST be in range of 1-12." in
Cmdliner.Arg.(value & pos 0 int 1 & info [] ~docv:"DAY" ~doc)
let day_t = Cmdliner.Term.(const run_day $ day_arg)