diff --git a/staffeln/conf/api.py b/staffeln/conf/api.py
index 7402740..846f959 100755
--- a/staffeln/conf/api.py
+++ b/staffeln/conf/api.py
@@ -1,26 +1,27 @@
 from oslo_config import cfg
+from staffeln.i18n import _
 
 
 api_group = cfg.OptGroup(
     "api",
     title="API options",
-    help="Options under this group are used to define staffeln API.",
+    help=_("Options under this group are used to define staffeln API."),
 )
 
 connection_opts = [
     cfg.StrOpt(
         "host",
         default="0.0.0.0",
-        help="IP address on which the staffeln API will listen.",
+        help=_("IP address on which the staffeln API will listen."),
     ),
     cfg.PortOpt(
         "port",
         default=8808,
-        help="Staffeln API listens on this port number for incoming requests.",
+        help=_("Staffeln API listens on this port number for incoming requests."),
     ),
-    cfg.BoolOpt("enabled_ssl", default=False, help="ssl enabled"),
-    cfg.StrOpt("ssl_key_file", default=False, help="ssl key file path"),
-    cfg.StrOpt("ssl_cert_file", default=False, help="ssl cert file path"),
+    cfg.BoolOpt("enabled_ssl", default=False, help=_("ssl enabled")),
+    cfg.StrOpt("ssl_key_file", default=False, help=_("ssl key file path")),
+    cfg.StrOpt("ssl_cert_file", default=False, help=_("ssl cert file path")),
 ]
 
 API_OPTS = connection_opts
diff --git a/staffeln/conf/conductor.py b/staffeln/conf/conductor.py
index b83737d..9906004 100755
--- a/staffeln/conf/conductor.py
+++ b/staffeln/conf/conductor.py
@@ -1,28 +1,30 @@
 from oslo_config import cfg
+from staffeln.i18n import _
+
 
 conductor_group = cfg.OptGroup(
     "conductor",
     title="Conductor Options",
-    help="Options under this group are used " "to define Conductor's configuration.",
+    help=_("Options under this group are used " "to define Conductor's configuration."),
 )
 
 backup_opts = [
     cfg.IntOpt(
         "backup_workers",
         default=1,
-        help="The maximum number of backup processes to "
-        "fork and run. Default to number of CPUs on the host.",
+        help=_("The maximum number of backup processes to "
+        "fork and run. Default to number of CPUs on the host."),
     ),
     cfg.IntOpt(
         "backup_period",
         default=10,
         min=1,
-        help="The time of bakup period, the unit is one minute.",
+        help=_("The time of bakup period, the unit is one minute."),
     ),
     cfg.StrOpt(
         "backup_metadata_key",
         default="test",
-        help="The key string of metadata the VM, which requres back up, has",
+        help=_("The key string of metadata the VM, which requres back up, has"),
     ),
 ]
 
@@ -30,14 +32,14 @@
     cfg.IntOpt(
         "rotation_workers",
         default=1,
-        help="The maximum number of rotation processes to "
-        "fork and run. Default to number of CPUs on the host.",
+        help=_("The maximum number of rotation processes to "
+        "fork and run. Default to number of CPUs on the host."),
     ),
     cfg.IntOpt(
         "rotation_period",
         default=1,
         min=1,
-        help="The time of rotation period, the unit is one day.",
+        help=_("The time of rotation period, the unit is one day."),
     ),
 ]
 
diff --git a/staffeln/conf/database.py b/staffeln/conf/database.py
index f823eae..761aa15 100644
--- a/staffeln/conf/database.py
+++ b/staffeln/conf/database.py
@@ -1,6 +1,7 @@
 from oslo_config import cfg
 from oslo_db import options as oslo_db_options
 from staffeln.conf import paths
+from staffeln.i18n import _
 
 _DEFAULT_SQL_CONNECTION = "sqlite:///{0}".format(
     paths.state_path_def("staffeln.sqlite")
@@ -9,11 +10,11 @@
 database = cfg.OptGroup(
     "database",
     title="Database options",
-    help="Options under this group are used for defining database.",
+    help=_("Options under this group are used for defining database."),
 )
 
 SQL_OPTS = [
-    cfg.StrOpt("mysql_engine", default="InnoDB", help="MySQL engine to use."),
+    cfg.StrOpt("mysql_engine", default="InnoDB", help=_("MySQL engine to use.")),
 ]
 
 
diff --git a/staffeln/conf/notify.py b/staffeln/conf/notify.py
index 85207b3..20f1ede 100644
--- a/staffeln/conf/notify.py
+++ b/staffeln/conf/notify.py
@@ -1,10 +1,11 @@
 from oslo_config import cfg
 from staffeln.i18n import _
 
+
 notify_group = cfg.OptGroup(
     "notification",
     title="Notification options",
-    help="Options under this group are used to define notification settings.",
+    help=_("Options under this group are used to define notification settings."),
 )
 
 email_opts = [
diff --git a/staffeln/conf/paths.py b/staffeln/conf/paths.py
index 3007619..8d403c5 100644
--- a/staffeln/conf/paths.py
+++ b/staffeln/conf/paths.py
@@ -1,4 +1,6 @@
 from oslo_config import cfg
+from staffeln.i18n import _
+
 
 import os
 
@@ -6,17 +8,17 @@
     cfg.StrOpt(
         "pybasedir",
         default=os.path.abspath(os.path.join(os.path.dirname(__file__), "../")),
-        help="Directory where the staffeln python module is installed.",
+        help=_("Directory where the staffeln python module is installed."),
     ),
     cfg.StrOpt(
         "bindir",
         default="$pybasedir/bin",
-        help="Directory where staffeln binaries are installed.",
+        help=_("Directory where staffeln binaries are installed."),
     ),
     cfg.StrOpt(
         "state_path",
         default="$pybasedir",
-        help="Top-level directory for maintaining staffeln's state.",
+        help=_("Top-level directory for maintaining staffeln's state."),
     ),
 ]