[master] 3e34b796c doc: Typo

[Dridi Boukelmoune]

commit 3e34b796ce5ceb33c6e61168b5af970f59c50efa
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Fri Oct 23 11:10:07 2020 +0200

    doc: Typo

diff --git a/doc/sphinx/reference/varnish-cli.rst b/doc/sphinx/reference/varnish-cli.rst
index b9cde35e0..f78e19472 100644
--- a/doc/sphinx/reference/varnish-cli.rst
+++ b/doc/sphinx/reference/varnish-cli.rst
@@ -391,7 +391,7 @@ following byte sequence:
 
 and dumping the resulting digest in lower-case hex.
 
-In the above example, the secret file contains `foo\\n` and thus:
+In the above example, the secret file contains ``foo\\n`` and thus:
 
 .. code-block:: text