diff --git a/etc/proxy-server.conf-sample b/etc/proxy-server.conf-sample
index 07f9d496f3..4435f12fb4 100644
--- a/etc/proxy-server.conf-sample
+++ b/etc/proxy-server.conf-sample
@@ -154,6 +154,5 @@ use = egg:swift#cname_lookup
 # Note: Put staticweb just after your auth filter(s) in the pipeline
 [filter:staticweb]
 use = egg:swift#staticweb
-# Seconds to cache container x-container-meta-index, x-container-meta-error,
-# and x-container-listing-css header values.
+# Seconds to cache container x-container-meta-web-* header values.
 # cache_timeout = 300