diff --git a/doc/rados/deployment/mkcephfs.rst b/doc/rados/deployment/mkcephfs.rst
index a6531ec84d7..7c89081d1c4 100644
--- a/doc/rados/deployment/mkcephfs.rst
+++ b/doc/rados/deployment/mkcephfs.rst
@@ -19,7 +19,7 @@ Enter a password for the root user.
 On the admin host, generate an ``ssh`` key without specifying a passphrase
 and use the default locations. ::
 
-	sudo -s 
+	sudo -i 
 	ssh-keygen
 	Generating public/private key pair.
 	Enter file in which to save the key (/root/.ssh/id_rsa): 
@@ -34,7 +34,7 @@ OSD host. For example::
 	ssh-copy-id root@myserver01
 	ssh-copy-id root@myserver02	
 	
-Modify your ``~/.ssh/config`` file to login as ``root``, as follows:: 
+Modify your ``/root/.ssh/config`` file to login as ``root``, as follows:: 
 
 	Host myserver01
 		Hostname myserver01.fully-qualified-domain.com