[rygel] docs: WritableContainer: Mention the upload word.

[Murray Cumming <murrayc src gnome org>]

commit e88a8eefa0a8ff732a8c3ebf1fcedd6d4eb04ac4
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Feb 11 09:56:42 2013 +0100

    docs: WritableContainer: Mention the upload word.

 src/librygel-server/rygel-media-container.vala    |    4 ++--
 src/librygel-server/rygel-writable-container.vala |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/librygel-server/rygel-media-container.vala b/src/librygel-server/rygel-media-container.vala
index b02d5c9..c1081b9 100644
--- a/src/librygel-server/rygel-media-container.vala
+++ b/src/librygel-server/rygel-media-container.vala
@@ -47,8 +47,8 @@ public enum Rygel.ObjectEventType {
  * If the container should support UPnP search operations then you also implement
  * the #RygelSearchableContainer interface.
  *
- * If the container should be writable, meaning that it allows adding, removal and
- * editing of items then you should also implement the #RygelWritableContainer
+ * If the container should be writable, meaning that it allows adding (via upload),
+ * removal and editing of items then you should also implement the #RygelWritableContainer
  * interface.
  *
  * If the container should support the change tracking profile of the UPnP
diff --git a/src/librygel-server/rygel-writable-container.vala b/src/librygel-server/rygel-writable-container.vala
index 5de4a35..48d6056 100644
--- a/src/librygel-server/rygel-writable-container.vala
+++ b/src/librygel-server/rygel-writable-container.vala
@@ -28,8 +28,8 @@ using Gee;
 
 /**
  * This interface should be implemented by 'writable' containers - ones that allow
- * adding, removal and editing of items directly under them. Currently, only
- * addition and removal is supported.
+ * adding (via upload), removal and editing of items directly under them.
+ * Currently, only addition and removal are supported.
  *
  * In addition to implementing this interface, a writable container must also:
  *