Update section name with stonith (no refs)

Author: Laura Dolan

articles/virtual-machines/workloads/sap/high-availability-guide-suse-pacemaker.md

@@ -771,7 +771,7 @@ Make sure to assign the custom role to the service principal at all VM (cluster
     <pre><code>sudo service corosync restart
     </code></pre>
 
-### Create a STONITH device on the Pacemaker cluster
+### Create a fencing device on the Pacemaker cluster
 
 1. **[1]** If you're using an SDB device (iSCSI target server or Azure shared disk) as STONITH, run the following commands. Enable the use of a STONITH device, and set the fence delay.