doc: fix a typo

Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>

diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index 6a03f54..c14411e 100755 (executable)
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -267,7 +267,7 @@ Use the following command (assuming that 2048 MB is required):
 
 .. code-block:: console
 
-    echo 2048 /sys/kernel/mm/dom0-mm/memsize-mB/memsize
+    echo 2048 > /sys/kernel/mm/dom0-mm/memsize-mB/memsize
 
 The user can also check how much memory has already been used: