minor #10161 Fix mismatched list items (aldenw, javiereguiluz)

This PR was submitted for the master branch but it was merged into the 2.8 branch instead (closes #10161).

Discussion
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Fix mismatched list items

Item one was displaying with a "1)" while item two shows up as "2."

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Commits
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2017489 Wrap long lines
90ce187 Fix mismatched list items

Author: javiereguiluz

security/guard_authentication.rst

@@ -523,10 +523,10 @@ The problem occurs when your browser-based authenticator tries to authenticate
 the user on *every* request - like in the IP address-based example above. There
 are two possible fixes:
 
-1) If you do *not* need authentication to be stored in the session, set ``stateless: true``
-under your firewall.
-
-2) Update your authenticator to avoid authentication if the user is already authenticated:
+1. If you do *not* need authentication to be stored in the session, set
+   ``stateless: true`` under your firewall.
+2. Update your authenticator to avoid authentication if the user is already
+   authenticated:
 
 .. code-block:: diff