clarify addition of verbosity level mentioned in
@@ -75,7 +75,7 @@ concurrently.
.TP
.B \-v
Increase verbosity. If given multiple times, more information is logged.
-This is in addition to the verbosity (if any) from the config file.
+This is added to the verbosity (if any) from the config file.
.TP
.B \-V
Show the version number and build options, and exit.
