derp.diff

diff --git a/local/owr_video_renderer.c b/local/owr_video_renderer.c
index 8f1ab14..8bd5a36 100644
--- a/local/owr_video_renderer.c
+++ b/local/owr_video_renderer.c
@@ -387,14 +387,25 @@ static GstElement *owr_video_renderer_get_element(OwrMediaRenderer *renderer, gu
 }
 
 /**
- * owr_video_renderer_set_request_context_callback: Configure the GClosure to
- * invoke when a GL context is required by the GStreamer pipeline running the
- * renderer.
+ * OwrVideoRendererRequestContextCallback:
+ * @context_type: (transfer none): list of sources
+ * @user_data: (allow-none): the data passed to owr_get_capture_sources
  *
- * @renderer:
- * @callback: function providing the GstContext as return value. The parameters passed are a const gchar* representing the context type and the @user_data gpointer.
- * @user_data: extra data passed as first argument of the @callback.
- * @destroy_data: function invoked when disposing the user_data of the GClosure.
+ * Prototype for the callback passed to owr_get_capture_sources()
+ *
+ * Returns: A #GstContext
+ */
+
+
+/**
+ * owr_video_renderer_set_request_context_callback:
+ * @renderer: The #OwrVideoRenderer on which to set the @callback
+ * @callback: (scope async): function providing the GstContext as return value. The parameters passed are a const gchar* representing the context type and the @user_data gpointer.
+ * @user_data: (allow-none): extra data passed as first argument of the @callback.
+ * @destroy_data: (nullable): a #GDestroyNotify invoked when disposing the @user_data of the GClosure.
+ *
+ * Configure the GClosure to invoke when a GL context is required by the
+ * GStreamer pipeline running the renderer.
  */
 void owr_video_renderer_set_request_context_callback(OwrVideoRenderer *renderer, OwrVideoRendererRequestContextCallback callback, gpointer user_data, GDestroyNotify destroy_data)
 {