[doc] Add the missing editable properties for image
There missing some properties of image in "Edit Image"
Modal. So this patch add them.
@@ -117,8 +117,13 @@ Follow this procedure to update an existing image.
actions. For example:
* Change the name of the image.
- * Select the :guilabel:`Public` check box to make the image public.
- * Clear the :guilabel:`Public` check box to make the image private.
+ * Change the description of the image.
+ * Change the format of the image.
+ * Change the minimum disk of the image.
+ * Change the minimum RAM of the image.
+ * Select the :guilabel:`Public` button to make the image public.
+ * Clear the :guilabel:`Private` button to make the image private.
+ * Change the metadata of the image.
#. Click :guilabel:`Edit Image`.
