[PATCH virt-viewer v2 1/3] man: document usage of domain name as optional

[Pavel Grunt <pgrunt@xxxxxxxxxx>]

related: rhbz#1211573
---
v2: more explicit description about using GUI for connecting to a guest
---
 man/virt-viewer.pod    | 6 +++++-
 src/virt-viewer-main.c | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/man/virt-viewer.pod b/man/virt-viewer.pod
index e976c69..aaf9eff 100644
--- a/man/virt-viewer.pod
+++ b/man/virt-viewer.pod
@@ -5,7 +5,7 @@ virt-viewer - display the graphical console for a virtual machine
 
 =head1 SYNOPSIS
 
-B<virt-viewer> [OPTIONS] -- DOMAIN-NAME|ID|UUID
+B<virt-viewer> [OPTIONS] [DOMAIN-NAME|ID|UUID]
 
 =head1 DESCRIPTION
 
@@ -157,6 +157,10 @@ To connect to the guest called 'demo' running under Xen
 
    virt-viewer demo
 
+To use GUI for connecting to a guest running under QEMU
+
+   virt-viewer --connect qemu:///system
+
 To connect to the guest with ID 7 running under QEMU
 
    virt-viewer --connect qemu:///system 7
diff --git a/src/virt-viewer-main.c b/src/virt-viewer-main.c
index 75de7c6..8c1ca80 100644
--- a/src/virt-viewer-main.c
+++ b/src/virt-viewer-main.c
@@ -104,7 +104,7 @@ int main(int argc, char **argv)
     g_option_context_free(context);
 
     if (args && (g_strv_length(args) != 1)) {
-        g_printerr(_("\nUsage: %s [OPTIONS] DOMAIN-NAME|ID|UUID\n\n%s\n\n"), argv[0], help_msg);
+        g_printerr(_("\nUsage: %s [OPTIONS] [DOMAIN-NAME|ID|UUID]\n\n%s\n\n"), argv[0], help_msg);
         goto cleanup;
     }
 
-- 
2.3.5

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