-By default, the trace path of the chosen tracing session is given
-as the first positional argument to the trace viewer. This path can
-be overridden using the option:--trace-path option.
+Otherwise::
+ The current tracing session (see man:lttng-create(1) and
+ man:lttng-set-session(1) to learn more about the current tracing
+ session).
+
+With the option:--session option or without the option:--trace-path
+option, the mode of the selected tracing session may :not: be network
+streaming or live.
+
+By default, the `view` command attempts to launch man:babeltrace2(1) or,
+if it's not available, man:babeltrace(1). Override which trace reader to
+launch with the option:--viewer option.