diff --git a/re.c b/re.c index 7a74318558..b4bade1089 100644 --- a/re.c +++ b/re.c @@ -3792,6 +3792,8 @@ void rb_warn_deprecated_to_remove(const char *removal, const char *fmt, const ch * Regexp.new('foo', flags) # => /foo/mix * * - +nil+ or +false+, which is ignored. + * - Any other truthy value, in which case the regexp will be + * case-insensitive. * * If optional keyword argument +timeout+ is given, * its float value overrides the timeout interval for the class,