[grilo] duration: Document this as seconds

[Murray Cumming <murrayc src gnome org>]

commit 62b01582e01c0e462433950f1976cd28781c665e
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Oct 8 11:45:51 2012 +0200

    duration: Document this as seconds

 src/grl-metadata-key.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/grl-metadata-key.c b/src/grl-metadata-key.c
index d658524..a8d5075 100644
--- a/src/grl-metadata-key.c
+++ b/src/grl-metadata-key.c
@@ -256,7 +256,7 @@ grl_metadata_key_setup_system_keys (GrlRegistry *registry)
   grl_registry_register_metadata_key_full (registry,
                                            g_param_spec_int ("duration",
                                                              "Duration",
-                                                             "Media duration",
+                                                             "Media duration in seconds",
                                                              0, G_MAXINT,
                                                              0,
                                                              G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE),