Fix typo in form.adoc

Closes gh-12678

Author: binkoni

docs/modules/ROOT/pages/servlet/authentication/passwords/form.adoc

@@ -53,7 +53,7 @@ image:{icondir}/number_4.png[] If authentication is successful, then __Success__
 
 . `SessionAuthenticationStrategy` is notified of a new login.
 See the {security-api-url}springframework/security/web/authentication/session/SessionAuthenticationStrategy.html[`SessionAuthenticationStrategy`] interface in the Javadoc.
-. The ref:servlet/authentication/architecture.adoc#servlet-authentication-authentication[Authentication] is set on the xref:servlet/authentication/architecture.adoc#servlet-authentication-securitycontextholder[SecurityContextHolder].
+. The xref:servlet/authentication/architecture.adoc#servlet-authentication-authentication[Authentication] is set on the xref:servlet/authentication/architecture.adoc#servlet-authentication-securitycontextholder[SecurityContextHolder].
 See the {security-api-url}springframework/security/web/context/SecurityContextPersistenceFilter.html[`SecurityContextPersistenceFilter`] class in the Javadoc.
 . `RememberMeServices.loginSuccess` is invoked.
 If remember me is not configured, this is a no-op.