diff --git a/etc/metadata_agent.ini b/etc/metadata_agent.ini
index 84442ea1aca..06588a514b8 100644
--- a/etc/metadata_agent.ini
+++ b/etc/metadata_agent.ini
@@ -39,7 +39,7 @@ admin_password = %SERVICE_PASSWORD%
 # When proxying metadata requests, Neutron signs the Instance-ID header with a
 # shared secret to prevent spoofing.  You may select any string for a secret,
 # but it must match here and in the configuration used by the Nova Metadata
-# Server. NOTE: Nova uses a different key: neutron_metadata_proxy_shared_secret
+# Server. NOTE: Nova uses the same config key, but in [neutron] section.
 # metadata_proxy_shared_secret =
 
 # Location of Metadata Proxy UNIX domain socket