Spell out all alternatives and avoid using a numerical range operator, as it is not mentioned in CodingGuidelines and the resulting string is still concise. Wrap them in parentheses to document clearly that the "--stage=" part is common among them. Signed-off-by: Rene Scharfe <l.s.r@xxxxxx> --- builtin/checkout-index.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c index a730f6a1aa..92e9d0d69f 100644 --- a/builtin/checkout-index.c +++ b/builtin/checkout-index.c @@ -172,7 +172,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) N_("write the content to temporary files")), OPT_STRING(0, "prefix", &state.base_dir, N_("string"), N_("when creating files, prepend <string>")), - { OPTION_CALLBACK, 0, "stage", NULL, "1-3|all", + { OPTION_CALLBACK, 0, "stage", NULL, "(1|2|3|all)", N_("copy out the files from named stage"), PARSE_OPT_NONEG, option_parse_stage }, OPT_END() -- 2.18.0