fix build error

documentation/user-guide/downloading.rst

@@ -30,7 +30,7 @@ service. Clients are advised to download bigger coverages in chunks and put them
 together afterwards.
 
 Downloading in QGIS
----------
+-------------------
 
 In order to use the download via WCS 1.0, that QGIS supports, a WCS layer needs to be added.
 
@@ -58,6 +58,5 @@ Currently, QGIS supports specifying the output coordinate reference system and i
 
    *QGIS WCS layer options*
 
-
 The final chapter :ref:`sample_requests` holds a list of sample requests against
 the various services described in this user guide.