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

In the feature that was eventually committed, "--date=auto" doesn't do anything. It was generalized to "--date=auto:<format>". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed Feb 12, 2019 at 01:32 UTC b9b17d304d01c0ba9499315c5eff54b9a89e1d08
1 file changed +3 -3
Documentation/RelNotes/2.21.0.txt
+3 -3
@@ -77,9 +77,9 @@ UI, Workflows & Features
77
78 * A new date format "--date=human" that morphs its output depending
79 on how far the time is from the current time has been introduced.
80 - "--date=auto" can be used to use this new format when the output is
81 - going to the pager or to the terminal and otherwise the default
82 - format.
80 + "--date=auto:human" can be used to use this new format (or any
81 + existing format) when the output is going to the pager or to the
82 + terminal, and otherwise the default format.
83
84
85 Performance, Internal Implementation, Development Support etc.