man: update link to RHEL documentation

Resolves: RHEL-26355
RHEL-only

man/systemctl.xml

@@ -2018,7 +2018,7 @@ Jan 12 10:46:45 example.com bluetoothd[8900]: gatt-time-server: Input/output err
     <para>
             For examples how to use systemctl in comparsion
             with old service and chkconfig command please see:
-            <ulink url="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/managing-system-services-with-systemctl_configuring-basic-system-settings">
+            <ulink url="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/managing-systemd_configuring-basic-system-settings#managing-system-services-with-systemctl_managing-systemd">
                     Managing System Services
             </ulink>
     </para>