doc/cephadm/services: fix example for specifying rgw placement

fixes: https://tracker.ceph.com/issues/56953

Signed-off-by: Redouane Kachach <rkachach@redhat.com>
(cherry picked from commit 1ed4c30876262c8890247325eb84ff46621d34fe)

diff --git a/doc/cephadm/services/index.rst b/doc/cephadm/services/index.rst
index face38cc0bcf7ac0fd5dd0a6c2b7d05d89512c94..d6520ea407f8fe6c5e0a41fc52f8ae0cf682ac5d 100644 (file)
--- a/doc/cephadm/services/index.rst
+++ b/doc/cephadm/services/index.rst
@@ -431,7 +431,7 @@ Cephadm supports the deployment of multiple daemons on the same host:
     service_type: rgw
     placement:
       label: rgw
-      count-per-host: 2
+      count_per_host: 2
 
 The main reason for deploying multiple daemons per host is an additional
 performance benefit for running multiple RGW and MDS daemons on the same host.