man/nitserial.md: add mission option `--depth`

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/share/man/nitserial.md b/share/man/nitserial.md
index 317e510..d740809 100644 (file)
--- a/share/man/nitserial.md
+++ b/share/man/nitserial.md
@@ -14,6 +14,9 @@ Output file (can also be 'stdout')
 ### `--dir`
 Output directory
 
+### `-d`, `--depth`
+Depth of the visit and generation <module, group, package>.
+
 # SEE ALSO
 
 The Nit language documentation and the source code of its tools and libraries may be downloaded from <http://nitlanguage.org>