diff --git a/ext/date/date_core.c b/ext/date/date_core.c
index f2baf4fcea..f4b390584b 100644
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@@ -8726,8 +8726,8 @@ dt_lite_to_s(VALUE self)
  *
  *   DateTime.now.strftime # => "2022-07-01T11:03:19-05:00"
  *
- * For other formats, see
- * {Formats for Dates and Times}[doc/strftime_formatting.rdoc].
+ * For other formats,
+ * see {Formats for Dates and Times}[rdoc-ref:strftime_formatting.rdoc]:
  *
  */
 static VALUE