Doc: Fix the extra blank space in doc/start/quick-rbd.rst

Signed-off-by: Frank Yu <flyxiaoyu@gmail.com>

diff --git a/doc/start/quick-rbd.rst b/doc/start/quick-rbd.rst
index 39890426f67b1011bd5236be2172e3b4827f652a..ecdbf9bdea86b4e59bca4617f31002994ef2605c 100644 (file)
--- a/doc/start/quick-rbd.rst
+++ b/doc/start/quick-rbd.rst
@@ -45,7 +45,7 @@ Install Ceph
 
    The ``ceph-deploy`` utility copies the keyring to the ``/etc/ceph`` 
    directory. Ensure that the keyring file has appropriate read permissions 
-   (e.g., ``sudo chmod + r /etc/ceph/ceph.client.admin.keyring``).
+   (e.g., ``sudo chmod +r /etc/ceph/ceph.client.admin.keyring``).
 
 
 Configure a Block Device