$ git diff 504deee6088c2448fc3e91c94a1ba69ec92fb7ef
diff --git a/src/time/time.go b/src/time/time.go
index 0a83543e8a..8a29eef263 100644
--- a/src/time/time.go
+++ b/src/time/time.go
@@ -370,7 +370,7 @@ func (d Weekday) String() string { return days[d] }
 // everywhere.
 //
 // The calendar runs on an exact 400 year cycle: a 400-year calendar
-// printed for 1970-2469 will apply as well to 2370-2769. Even the days
+// printed for 1970-2369 will apply as well to 2370-2769. Even the days
 // of the week match up. It simplifies the computations to choose the
 // cycle boundaries so that the exceptional years are always delayed as
 // long as possible. That means choosing a year equal to 1 mod 400, so