[master] 2214725fc spelling glitch

[Nils Goroll]

commit 2214725fc576516cbdce4d1dc1ba629ca51f5d25
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Sun Sep 14 14:47:19 2025 +0200

    spelling glitch

diff --git a/doc/sphinx/reference/vcl_step.rst b/doc/sphinx/reference/vcl_step.rst
index 3b2f48a6f..580cd8c5d 100644
--- a/doc/sphinx/reference/vcl_step.rst
+++ b/doc/sphinx/reference/vcl_step.rst
@@ -358,7 +358,7 @@ is always the one from the stale object.
   |  without executing the RFC merge logic. Any content-length and
   |  content-encoding headers present in the 304 beresp will be removed and
   |  replaced by the stale object ones if available. Etag and Last-Modified
-  |  headers are also copied from the stale object to allow futur revalidations.
+  |  headers are also copied from the stale object to allow future revalidations.
   |
   | ``fail``
   |  see :ref:`fail` section above