man: add a line for --version option

elboulangero · poettering · commit 095cb73c2efb · 2019-03-19T11:10:41.000+01:00
Signed-off-by: Arnaud Rebillout &lt;arnaud.rebillout@collabora.com&gt;
diff --git a/doc/casync.rst b/doc/casync.rst
@@ -151,6 +151,7 @@ Options
 General options:
 
 --help, -h                      Show terse help output
+--version                       Show brief version information
 --log-level=<LEVEL>, -l         Set log level (debug, info, err)
 --verbose, -v                   Show terse status information during runtime
 --dry-run, -n                   Only print what would be removed with **gc**
