diff --git a/time.c b/time.c
index b3ad415935..b16a086537 100644
--- a/time.c
+++ b/time.c
@@ -4030,7 +4030,7 @@ static VALUE strftime_cstr(const char *fmt, size_t len, VALUE time, rb_encoding
  *  Returns a string representation of +self+,
  *  formatted by <tt>strftime('%a %b %e %T %Y')</tt>
  *  or its shorthand version <tt>strftime('%c')</tt>;
- *  see {Formats for Dates and Times}[https://docs.ruby-lang.org/en/master/strftime_formatting_rdoc.html]:
+ *  see {Formats for Dates and Times}[rdoc-ref:strftime_formatting.rdoc]:
  *
  *    t = Time.new(2000, 12, 31, 23, 59, 59, 0.5)
  *    t.ctime                      # => "Sun Dec 31 23:59:59 2000"