[grilo] doc: document missing sources files

[Victor Manuel Jaquez Leal <vjaquez src gnome org>]

commit c75138ea44ccf96e77cd9c7ea7560c0f1063bd26
Author: Víctor Manuel Jáquez Leal <vjaquez igalia com>
Date:   Tue Jun 7 13:53:33 2011 +0200

    doc: document missing sources files

 src/grilo.c            |    2 +-
 src/grl-metadata-key.c |   10 ++++++++++
 src/grl-util.c         |    5 +++++
 3 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/src/grilo.c b/src/grilo.c
index cc95b77..83ad940 100644
--- a/src/grilo.c
+++ b/src/grilo.c
@@ -21,7 +21,7 @@
  */
 
 /**
- * SECTION:grl
+ * SECTION:grilo
  * @short_description: Metadata library supporting several services
  *
  * Grilo is a metadata retrieval library. Given a search or browse operation,
diff --git a/src/grl-metadata-key.c b/src/grl-metadata-key.c
index 3cc047b..977b77f 100644
--- a/src/grl-metadata-key.c
+++ b/src/grl-metadata-key.c
@@ -20,6 +20,16 @@
  *
  */
 
+/**
+ * SECTION:grl-metadata-key
+ * @short_description: General media key definition
+ *
+ * This is the list of defined keys in grilo for media entries.
+ *
+ * Each key is a #GParamSpec which can hold the information extracted
+ * from the remote database.
+ */
+
 #include "grl-metadata-key.h"
 #include "grl-metadata-key-priv.h"
 #include "grl-definitions.h"
diff --git a/src/grl-util.c b/src/grl-util.c
index 41975be..6d2b0f9 100644
--- a/src/grl-util.c
+++ b/src/grl-util.c
@@ -20,6 +20,11 @@
  *
  */
 
+/**
+ * SECTION:grl-util
+ * @short_description: utility functions
+ */
+
 #include "grl-util.h"
 
 /**