[gtksourceview] Add some missing docs

[Paolo Borelli <pborelli src gnome org>]

commit b44633797ee8f0d72e6e782a4eb6b5f23d79735e
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Mar 23 12:31:45 2014 +0100

    Add some missing docs

 gtksourceview/gtksourcegutterrendererpixbuf.c |   11 ++++++++++-
 gtksourceview/gtksourcegutterrenderertext.c   |   10 ++++++++++
 2 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourcegutterrendererpixbuf.c b/gtksourceview/gtksourcegutterrendererpixbuf.c
index e38e652..57a9620 100644
--- a/gtksourceview/gtksourcegutterrendererpixbuf.c
+++ b/gtksourceview/gtksourcegutterrendererpixbuf.c
@@ -19,11 +19,20 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-
 #include "gtksourcegutterrendererpixbuf.h"
 #include "gtksourceview-i18n.h"
 #include "gtksourcepixbufhelper.h"
 
+/**
+ * SECTION:gutterrendererpixbuf
+ * @Short_description: Renders a pixbuf in the gutter
+ * @Title: GtkSourceGutterRendererPixbuf
+ * @See_also: #GtkSourceGutterRenderer, #GtkSourceGutter
+ *
+ * A #GtkSourceGutterRendererPixbuf can be used to render an image in a cell of
+ * #GtkSourceGutter.
+ */
+
 struct _GtkSourceGutterRendererPixbufPrivate
 {
        GtkSourcePixbufHelper *helper;
diff --git a/gtksourceview/gtksourcegutterrenderertext.c b/gtksourceview/gtksourcegutterrenderertext.c
index 8ea08bd..43b889c 100644
--- a/gtksourceview/gtksourcegutterrenderertext.c
+++ b/gtksourceview/gtksourcegutterrenderertext.c
@@ -22,6 +22,16 @@
 #include "gtksourcegutterrenderertext.h"
 #include "gtksourceview-i18n.h"
 
+/**
+ * SECTION:gutterrenderertext
+ * @Short_description: Renders text in the gutter
+ * @Title: GtkSourceGutterRendererText
+ * @See_also: #GtkSourceGutterRenderer, #GtkSourceGutter
+ *
+ * A #GtkSourceGutterRendererText can be used to render text in a cell of
+ * #GtkSourceGutter.
+ */
+
 struct _GtkSourceGutterRendererTextPrivate
 {
        gchar *text;