diff --git a/etc/trove/trove-taskmanager.conf.sample b/etc/trove/trove-taskmanager.conf.sample
index 0a3dfe87f5..3b5b316a26 100644
--- a/etc/trove/trove-taskmanager.conf.sample
+++ b/etc/trove/trove-taskmanager.conf.sample
@@ -157,7 +157,7 @@ template_path = /etc/trove/templates/
 # notification_driver=noop
 
 # Topics used for OpenStack notifications, list value. Default is 'notifications'.
-# notification_topics=['notifications', ]
+# notification_topics=notifications
 
 # ============ Logging information =============================
 #log_dir = /integration/report
diff --git a/etc/trove/trove.conf.sample b/etc/trove/trove.conf.sample
index 959e53bfbe..723264a54b 100644
--- a/etc/trove/trove.conf.sample
+++ b/etc/trove/trove.conf.sample
@@ -165,7 +165,7 @@ api_paste_config = api-paste.ini
 # notification_driver=noop
 
 # Topics used for OpenStack notifications, list value. Default is 'notifications'.
-# notification_topics=['notifications', ]
+# notification_topics=notifications
 
 # ============ Logging information =============================
 #log_dir = /integration/report