RelNotes/2.21: tweak "--date=auto" mention

peff · gitster · commit b9b17d304d01 · 2019-02-12T09:00:32.000-08:00
In the feature that was eventually committed, "--date=auto" doesn't do
anything. It was generalized to "--date=auto:&lt;format&gt;".

Signed-off-by: Jeff King &lt;peff@peff.net&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/Documentation/RelNotes/2.21.0.txt b/Documentation/RelNotes/2.21.0.txt
@@ -77,9 +77,9 @@ UI, Workflows & Features
 
  * A new date format "--date=human" that morphs its output depending
    on how far the time is from the current time has been introduced.
-   "--date=auto" can be used to use this new format when the output is
-   going to the pager or to the terminal and otherwise the default
-   format.
+   "--date=auto:human" can be used to use this new format (or any
+   existing format) when the output is going to the pager or to the
+   terminal, and otherwise the default format.
 
 
 Performance, Internal Implementation, Development Support etc.
