Change documentation references to xm set-mem => xm mem-set

diff -r ea6d9f29dff5 -r 671ae7aa6bf9 docs/src/user/control_software.tex
@@ -60,7 +60,7 @@
 The available commands are as follows:
 
 \begin{description}
-\item[set-mem] Request a domain to adjust its memory footprint.
+\item[mem-set] Request a domain to adjust its memory footprint.
 \item[create] Create a new domain.
 \item[destroy] Kill a domain immediately.
 \item[list] List running domains.

diff -r ea6d9f29dff5 -r 671ae7aa6bf9 docs/src/user/domain_mgmt.tex
@@ -160,12 +160,12 @@
 \subsection{Setting memory footprints from dom0}
 
 The machine administrator can request that a domain alter its memory
-footprint using the \path{xm set-mem} command.  For instance, we can
+footprint using the \path{xm mem-set} command.  For instance, we can
 request that our example ttylinux domain reduce its memory footprint
 to 32 megabytes.
 
 \begin{verbatim}
-# xm set-mem ttylinux 32
+# xm mem-set ttylinux 32
 \end{verbatim}
 
 We can now see the result of this in the output of \path{xm list}:

@@ -181,7 +181,7 @@
 can restore the domain to its original size using the command line:
 
 \begin{verbatim}
-# xm set-mem ttylinux 64
+# xm mem-set ttylinux 64
 \end{verbatim}
 
 \subsection{Setting memory footprints from within a domain}