1 files changed, 3 insertions, 0 deletions
diff --git a/time.c b/time.c
index 1f62f3699c..f48f0e29f3 100644
--- a/time.c
+++ b/time.c
@@ -3405,6 +3405,9 @@ time_localtime(VALUE time)
  *
  *     t.localtime("+09:00")                   #=> 2000-01-02 05:15:01 +0900
  *     t.utc?                                  #=> false
+ *
+ *  If +utc_offset+ is not given and _time_ is local time, just return
+ *  the receiver.
  */
 
 static VALUE