doc/cephadm: fix a typo

s/osd_crush_choose_leaf_type/osd_crush_chooseleaf_type

```
[ceph: root@adm-1 /]# ceph config set global osd_crush_choose_leaf_type 0
Error EINVAL: unrecognized config option 'osd_crush_choose_leaf_type'
[ceph: root@adm-1 /]# ceph config set global osd_crush_chooseleaf_type 0
[ceph: root@adm-1 /]#
```

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit d43189c17b03420674ea5424666388b8272c2580)

diff --git a/doc/cephadm/install.rst b/doc/cephadm/install.rst
index 34ec8aa837d8dec131d2f00a653946250e2ffd30..ee37357cb5b04b2edef68afa1e2d25c15cbecf69 100644 (file)
--- a/doc/cephadm/install.rst
+++ b/doc/cephadm/install.rst
@@ -370,10 +370,10 @@ To configure a Ceph cluster to run on a single host, use the ``--single-host-def
 
 The ``--single-host-defaults`` flag sets the following configuration options::
 
-  global/osd_crush_choose_leaf_type = 0
+  global/osd_crush_chooseleaf_type = 0
   global/osd_pool_default_size = 2
   mgr/mgr_standby_modules = False
-   
+
 For more information on these options, see :ref:`one-node-cluster` and ``mgr_standby_modules`` in :ref:`mgr-administrator-guide`.
 
 Deployment in an isolated environment