diff --git a/misc-scripts/xref_mapping/xref_config.ini b/misc-scripts/xref_mapping/xref_config.ini
index c8a559d679fb7dcabcc5b32adb62d17ac26f01e0..3aae7df8635b229c71fdabd70ef7067ee1ec8919 100644
--- a/misc-scripts/xref_mapping/xref_config.ini
+++ b/misc-scripts/xref_mapping/xref_config.ini
@@ -5701,7 +5701,7 @@ source 		= ArrayExpress::MULTI
 
 [species xiphophorus_maculatus]
 taxonomy_id     = 8083
-aliases         = xiphophorus, xmaculatus, platyfish 
+aliases         = xiphophorus, xmaculatus, platyfish
 source          = EntrezGene::MULTI
 source          = GO::MULTI
 source          = goslim_goa::MULTI