diff --git a/etc/proxy-server.conf-sample b/etc/proxy-server.conf-sample
index 09ed568292..7cb44fca8f 100644
--- a/etc/proxy-server.conf-sample
+++ b/etc/proxy-server.conf-sample
@@ -118,7 +118,7 @@ use = egg:swift#ratelimit
 use = egg:swift#domain_remap
 # storage_domain = example.com
 # path_root = v1
-# reseller_prefix = AUTH
+# reseller_prefixes = AUTH
 
 [filter:catch_errors]
 use = egg:swift#catch_errors