diff --git a/Documentation/technical/http-protocol.txt b/Documentation/technical/http-protocol.txt
index 59be59b0ebba8c24875643521c9135ab907a33ce..229f845dfa67b9c2e74b2eb1de80a224ea757b53 100644
--- a/Documentation/technical/http-protocol.txt
+++ b/Documentation/technical/http-protocol.txt
@@ -60,7 +60,7 @@ Because Git repositories are accessed by standard path components
 server administrators MAY use directory based permissions within
 their HTTP server to control repository access.
 
-Clients SHOULD support Basic authentication as described by RFC 2616.
+Clients SHOULD support Basic authentication as described by RFC 2617.
 Servers SHOULD support Basic authentication by relying upon the
 HTTP server placed in front of the Git server software.