update ceph source to reef 18.1.2

[ceph.git] / ceph / doc / mgr / diskprediction.rst

diff --git a/ceph/doc/mgr/diskprediction.rst b/ceph/doc/mgr/diskprediction.rst
index d0d962503e6f7313b5715a546e245194c8b020ae..f4b69751102e6168c261938a9a96ebe791fa13f4 100644 (file)
--- a/ceph/doc/mgr/diskprediction.rst
+++ b/ceph/doc/mgr/diskprediction.rst
@@ -25,7 +25,7 @@ To disable prediction::
 
 
 *diskprediction_local* requires at least six datasets of device health metrics to
-make prediction of the devices' life expentancy. And these health metrics are
+make prediction of the devices' life expectancy. And these health metrics are
 collected only if health monitoring is :ref:`enabled <enabling-monitoring>`.
 
 Run the following command to retrieve the life expectancy of given device.