[master] 92b508e0c spelling: then

[Poul-Henning Kamp]

commit 92b508e0c50a4ded9efcd236dee5b92917b4ed7b
Author: Josh Soref <2119212+jsoref at users.noreply.github.com>
Date:   Wed Aug 7 08:31:02 2024 -0400

    spelling: then
    
    Signed-off-by: Josh Soref <2119212+jsoref at users.noreply.github.com>

diff --git a/doc/sphinx/whats-new/upgrading-6.1.rst b/doc/sphinx/whats-new/upgrading-6.1.rst
index fe2672d7e..cd2434085 100644
--- a/doc/sphinx/whats-new/upgrading-6.1.rst
+++ b/doc/sphinx/whats-new/upgrading-6.1.rst
@@ -174,7 +174,7 @@ Other changes
   * If you have set ``.proxy_header=1`` (to use the PROXYv1 protocol)
     for a backend addressed as a Unix domain socket (with a ``.path``
     setting for the socket file), and have also defined a probe for
-    the backend, then then the address family ``UNKNOWN`` is sent in
+    the backend, then the address family ``UNKNOWN`` is sent in
     the proxy header for the probe request. If you have set
     ``.proxy_header=2`` (for PROXYv2) for a UDS backend with a probe,
     then ``PROXY LOCAL`` is sent for the probe request.