fix typo
diff --git a/tools/xen/build_domU.sh b/tools/xen/build_domU.sh
index e91108b..451d440 100755
--- a/tools/xen/build_domU.sh
+++ b/tools/xen/build_domU.sh
@@ -175,7 +175,7 @@
     echo "$MGT_IP $GUEST_NAME" >> $STAGING_DIR/etc/hosts
 fi
 
-# Configre hosts file
+# Configure hosts file
 cat <<EOF >$STAGING_DIR/etc/hosts
 $MGT_IP $GUEST_NAME
 127.0.0.1 localhost localhost.localdomain