set type as text

docs/modules/ROOT/pages/bsd_license.adoc

@@ -8,7 +8,7 @@ ifdef::env-github,env-browser[:outfilesuffix: .adoc]
 
 == jME's BSD License
 
-[source]
+[source, text]
 ----
 
 Copyright (c) 2009-2012 jMonkeyEngine