diff --git a/misc-scripts/xref_mapping/xref_config.ini b/misc-scripts/xref_mapping/xref_config.ini
index a2bc7a6d15196d8f3e7571aca9ba3f01fe7d338e..77a0ed865a1b2d01b0a0da0c94df74efae50d91b 100644
--- a/misc-scripts/xref_mapping/xref_config.ini
+++ b/misc-scripts/xref_mapping/xref_config.ini
@@ -6,9 +6,10 @@
 # Keys:                                                                #
 #   name        - name of this source (required)                       #
 #   download    - must be downloaded (Y or N, required)                #
-#   order       - (required)                                           #
-#   priority    - (required)                                           #
-#   prio_descr  - (optional)                                           #
+#   order       - parsing order for this source                        #
+#   priority    - priority of these data files when more files belong  #
+#                 to the same source 'name'                            #
+#   prio_descr  - label for the 'priority'                             #
 #   parser      - the parser to be used (required)                     #
 #   release_uri - URI pointing to release information (optional)       #
 #   data_uri    - URI porinting to the data files (multiple, required) #
@@ -1196,7 +1197,7 @@ priority        = 1
 prio_descr      = 
 parser          = VegaParser
 release_uri     = 
-data_uri        = ftp://ftp.sanger.ac.uk/pub/vega/mouse/cdna/Mus_musculus.VEGA.feb.cdna.tot.fa.gz
+data_uri        = ftp://ftp.sanger.ac.uk/pub/vega/mouse/cdna/Mus_musculus.VEGA.*.cdna.tot.fa.gz
 
 [source Xenopus_Jamboree::xenopus_tropicalis]
 # Used by xenopus_tropicalis