diff --git a/docs/conf_examples/logger.conf.sample b/docs/conf_examples/logger.conf.sample
index 34af05de..606add1f 100644
--- a/docs/conf_examples/logger.conf.sample
+++ b/docs/conf_examples/logger.conf.sample
@@ -1,3 +1,3 @@
 [logfiles]
-console => notice,warning,error
-messages => notice,warning,error,debug,verbose
+console => notice,warning,error,dtmf
+messages => notice,warning,error,debug,verbose,dtmf