doc: -v verbose option documentation update

Update -v documentation to reflect the new behaviour discussed
in bug #1851 where -v changes the log level to fixed levels
instead of an offset of the default log level configured
in suricata.yaml.

diff --git a/doc/userguide/partials/options.rst b/doc/userguide/partials/options.rst
index 9a0863ab972458799406f1c94ff6be51f334041c..fec2a2380ec3394b5b7bea4dab767f5f83c67774 100644 (file)
--- a/doc/userguide/partials/options.rst
+++ b/doc/userguide/partials/options.rst
@@ -18,8 +18,18 @@
 
 .. option:: -v
 
-   The -v option enables more verbosity of Suricata's output. Supply
-   multiple times for more verbosity.
+   Increase the verbosity of the Suricata application logging by
+   increasing the log level from the default. This option can be
+   passed multiple times to further increase the verbosity.
+
+   - -v: INFO
+   - -vv: PERF
+   - -vvv: CONFIG
+   - -vvvv: DEBUG
+
+   This option will not decrease the log level set in the
+   configuration file if it is already more verbose than the level
+   requested with this option.
 
 .. Basic input options.