[gnome-boxes] Correct a typo

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 20af2708b5cd1d1534f9a48a8b67a26a7a8b987b
Author: Luc Pionchon <pionchon luc gmail com>
Date:   Sat Jun 8 02:34:40 2013 +0300

    Correct a typo

 help/C/what-is-a-virtual-machine.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/what-is-a-virtual-machine.page b/help/C/what-is-a-virtual-machine.page
index f21c019..963a98f 100644
--- a/help/C/what-is-a-virtual-machine.page
+++ b/help/C/what-is-a-virtual-machine.page
@@ -29,7 +29,7 @@
   The simulated computer is often called <em>guest</em>, while the real machine
   is called <em>host</em>.</p>
   <p>With <em>virtualization</em>, the guest has access to the real hardware the
-  host is running. If the guest can runs on fake hardware, it's called
+  host is running. If the guest can run on fake hardware, it's called
   <em>emulation</em>.</p>
 
 </page>