The default is 4, not 0.
---
tools/virsh.pod | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/tools/virsh.pod b/tools/virsh.pod
index e17f309..9355d6c 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -72,7 +72,8 @@ instead of the default connection.
=item B<-d>, B<--debug> I<LEVEL>
Enable debug messages at integer I<LEVEL> and above. I<LEVEL> can
-range from 0 (default) to 4.
+range from 0 to 4 (default). See the documentation of B<VIRSH_DEBUG>
+environment variable for the description of each I<LEVEL>.
=item B<-l>, B<--log> I<FILE>
--
1.7.6.1