[gtksourceview] docs: improve doc of get_space_drawer() and get_completion()

[Sébastien Wilmet <swilmet src gnome org>]

commit a55a4cbc9664701343b4f6b6f194ee2dc2e1ae80
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Oct 7 11:28:30 2016 +0200

    docs: improve doc of get_space_drawer() and get_completion()

 gtksourceview/gtksourceview.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 1b831e3..a82cc8f 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -4778,7 +4778,8 @@ mark_category_free (MarkCategory *category)
  * @view: a #GtkSourceView.
  *
  * Gets the #GtkSourceCompletion associated with @view. The returned object is
- * guaranteed to be the same for the lifetime of @view.
+ * guaranteed to be the same for the lifetime of @view. Each #GtkSourceView
+ * object has a different #GtkSourceCompletion.
  *
  * Returns: (transfer none): the #GtkSourceCompletion associated with @view.
  */
@@ -4950,7 +4951,8 @@ gtk_source_view_get_background_pattern (GtkSourceView *view)
  * @view: a #GtkSourceView.
  *
  * Gets the #GtkSourceSpaceDrawer associated with @view. The returned object is
- * guaranteed to be the same for the lifetime of @view.
+ * guaranteed to be the same for the lifetime of @view. Each #GtkSourceView
+ * object has a different #GtkSourceSpaceDrawer.
  *
  * Returns: (transfer none): the #GtkSourceSpaceDrawer associated with @view.
  * Since: 3.24