PendingReleaseNotes: note need of confirmation for "ceph fs fail"

Signed-off-by: Rishabh Dave <ridave@redhat.com>

Author: rishabh-d-dave

PendingReleaseNotes

@@ -174,9 +174,10 @@ CephFS: Disallow delegating preallocated inode ranges to clients. Config
   and it can be disabled by using:
    `ceph config set mgr mgr/volumes/snapshot_clone_no_wait false`
 
-* CephFS: Command "ceph mds fail" requires a confirmation flag now when some
-  MDSs exhibit health warning MDS_TRIM or MDS_CACHE_OVERSIZED. This is to
-  prevent accidental MDS failover causing further delays in recovery.
+* CephFS: Command "ceph mds fail" and "ceph fs fail" now requires a
+  confirmation flag when some MDSs exhibit health warning MDS_TRIM or
+  MDS_CACHE_OVERSIZED. This is to prevent accidental MDS failover causing
+  further delays in recovery.
 
 >=18.0.0