diff --git a/phsource/mbrola/ar1 b/phsource/mbrola/ar1
index 86d3539d..962091b7 100644
--- a/phsource/mbrola/ar1
+++ b/phsource/mbrola/ar1
@@ -1,6 +1,6 @@
 volume 50
 
-0   B   b     20   b    b
+0   b   b     20   b    b
 0   b   NULL  0    b
 0   t   :     50   t    t
 0   t   NULL  0    t