diff --git a/etc/metadata_agent.ini b/etc/metadata_agent.ini
index ca31c7fe976..e436069e5f9 100644
--- a/etc/metadata_agent.ini
+++ b/etc/metadata_agent.ini
@@ -45,7 +45,7 @@ admin_password = %SERVICE_PASSWORD%
 # Location of Metadata Proxy UNIX domain socket
 # metadata_proxy_socket = $state_path/metadata_proxy
 
-# Metadata Proxy UNIX domain socket mode, 3 values allowed:
+# Metadata Proxy UNIX domain socket mode, 4 values allowed:
 # 'deduce': deduce mode from metadata_proxy_user/group values,
 # 'user': set metadata proxy socket mode to 0o644, to use when
 # metadata_proxy_user is agent effective user or root,
diff --git a/neutron/agent/metadata/config.py b/neutron/agent/metadata/config.py
index 2a5706e8e4f..8a89dc38e5e 100644
--- a/neutron/agent/metadata/config.py
+++ b/neutron/agent/metadata/config.py
@@ -109,7 +109,7 @@ UNIX_DOMAIN_METADATA_PROXY_OPTS = [
     cfg.StrOpt('metadata_proxy_socket_mode',
                default=DEDUCE_MODE,
                choices=SOCKET_MODES,
-               help=_("Metadata Proxy UNIX domain socket mode, 3 values "
+               help=_("Metadata Proxy UNIX domain socket mode, 4 values "
                       "allowed: "
                       "'deduce': deduce mode from metadata_proxy_user/group "
                       "values, "