diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index d5f3ace..168560a 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -40,13 +40,15 @@
 #log_dir = <None>
 
 # Use syslog for logging. Existing syslog format is DEPRECATED during
-# I, and will change in J to honor RFC5424. (boolean value)
+# I, and changed in J to honor RFC5424. (boolean value)
 #use_syslog = false
 
 # (Optional) Enables or disables syslog rfc5424 format for logging. If
 # enabled, prefixes the MSG part of the syslog message with APP-NAME
 # (RFC5424). The format without the APP-NAME is deprecated in K, and
-# will be removed in L, along with this option. (boolean value)
+# will be removed in M, along with this option. (boolean value)
+# This option is deprecated for removal.
+# Its value may be silently ignored in the future.
 #use_syslog_rfc_format = true
 
 # Syslog facility to receive log lines. (string value)
@@ -67,7 +69,7 @@
 
 # Prefix each line of exception output with this format. (string
 # value)
-#logging_exception_prefix = %(asctime)s.%(msecs)03d %(process)d TRACE %(name)s %(instance)s
+#logging_exception_prefix = %(asctime)s.%(msecs)03d %(process)d ERROR %(name)s %(instance)s
 
 # List of logger=LEVEL pairs. (list value)
 #default_log_levels = amqp=WARN,amqplib=WARN,boto=WARN,qpid=WARN,sqlalchemy=WARN,suds=INFO,oslo.messaging=INFO,iso8601=WARN,requests.packages.urllib3.connectionpool=WARN,urllib3.connectionpool=WARN,websocket=WARN,requests.packages.urllib3.util.retry=WARN,urllib3.util.retry=WARN,keystonemiddleware=WARN,routes.middleware=WARN,stevedore=WARN
@@ -86,6 +88,9 @@
 # (string value)
 #instance_uuid_format = "[instance: %(uuid)s] "
 
+# Enables or disables fatal status of deprecations. (boolean value)
+#fatal_deprecations = false
+
 
 [auth]