* src/date.c (usage): Mention the Epoch under %s for clarity,
and capitalize.
%q quarter of year (1..4)\n\
%r locale's 12-hour clock time (e.g., 11:11:04 PM)\n\
%R 24-hour hour and minute; same as %H:%M\n\
- %s seconds since 1970-01-01 00:00:00 UTC\n\
+ %s seconds since the Epoch (1970-01-01 00:00 UTC)\n\
"), stdout);
fputs (_("\
%S second (00..60)\n\
fputs (_("\
\n\
Examples:\n\
-Convert seconds since the epoch (1970-01-01 UTC) to a date\n\
+Convert seconds since the Epoch (1970-01-01 UTC) to a date\n\
$ date --date='@2147483647'\n\
\n\
Show the time on the west coast of the US (use tzselect(1) to find TZ)\n\