Update xenserver.rst

source/installguide/hypervisor/xenserver.rst

diff --git a/source/installguide/hypervisor/xenserver.rst b/source/installguide/hypervisor/xenserver.rst
index a2c62ee..b7f9ca4 100644
--- a/source/installguide/hypervisor/xenserver.rst
+++ b/source/installguide/hypervisor/xenserver.rst
@@ -757,7 +757,7 @@
          mv: cannot stat ‘/etc/cron.daily/logrotate’: No such file or directory
 
    #. Plug in the storage repositories (physical block devices) to the
-       XenServer host (although all of them should be already plugged in):
+       XenServer host (although all of them should already be plugged in):
 
       .. parsed-literal::