Fix closing tag for RSWindowsNegotiate in config (#10241)

Author: pavelshabanov2025

docs/reporting-services/report-server/register-a-service-principal-name-spn-for-a-report-server.md

@@ -59,7 +59,7 @@ The values that you specify for `<computername>` and `<domainname>` identify the
 
 1. Open the `RsReportServer.config` file and locate the `<AuthenticationTypes>` section.
 
-1. Add `<RSWindowsNegotiate>` as the first entry in this section to enable Kerberos.
+1. Add `<RSWindowsNegotiate />` as the first entry in this section to enable Kerberos.
 
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