diff --git a/lib/http.js b/lib/http.js
index b6d68c635b1..e7299cc33be 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -251,7 +251,7 @@ var STATUS_CODES = exports.STATUS_CODES = {
   502 : 'Bad Gateway',
   503 : 'Service Unavailable',
   504 : 'Gateway Time-out',
-  505 : 'HTTP Version not supported',
+  505 : 'HTTP Version Not Supported',
   506 : 'Variant Also Negotiates',    // RFC 2295
   507 : 'Insufficient Storage',       // RFC 4918
   509 : 'Bandwidth Limit Exceeded',