minor #5622 typo fix in pre authenticated (Maxime Douailin)

This PR was submitted for the 2.8 branch but it was merged into the 2.7 branch instead (closes #5622).

Discussion
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typo fix in pre authenticated

Simple typo in pre_auth cookbook entry

Commits
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3a3d553 typo fix in pre authenticated

Author: wouterj

cookbook/security/pre_authenticated.rst

@@ -149,5 +149,5 @@ key in the ``remote_user`` firewall configuration.
 .. note::
 
     Just like for X509 authentication, you will need to configure a "user provider".
-    See :ref:`the note previous note <cookbook-security-pre-authenticated-user-provider-note>`
+    See :ref:`the previous note <cookbook-security-pre-authenticated-user-provider-note>`
     for more information.