Fix some typos in comments and documentation

helpfull -> helpful
usefull -> useful
cotrol -> control

and a grammar fix.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/savevm.c b/savevm.c
index be44fdb473..f4ff1a1db4 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1008,7 +1008,7 @@ const VMStateInfo vmstate_info_buffer = {
 };
 
 /* unused buffers: space that was used for some fields that are
-   not usefull anymore */
+   not useful anymore */
 
 static int get_unused_buffer(QEMUFile *f, void *pv, size_t size)
 {