[rygel] Fix grammar in a comment

[Murray Cumming <murrayc src gnome org>]

commit b8d8c423279cb8bbfd8ac793ed4abcda9bed1ce9
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Dec 3 14:19:14 2012 +0100

    Fix grammar in a comment

 .../simple/rygel-simple-data-source.vala           |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/media-engines/simple/rygel-simple-data-source.vala b/src/media-engines/simple/rygel-simple-data-source.vala
index b578002..9ab1bdb 100644
--- a/src/media-engines/simple/rygel-simple-data-source.vala
+++ b/src/media-engines/simple/rygel-simple-data-source.vala
@@ -143,7 +143,7 @@ internal class Rygel.SimpleDataSource : DataSource, Object {
             warning ("Failed to map file: %s", error.message);
         }
 
-        // signalize we're done streaming
+        // Signal that we're done streaming
         Idle.add ( () => { this.done (); return false; });
 
         return null;