[gnome-software] trivial: Fix typo

[Matthias Klumpp <mak src gnome org>]

commit 12f09d160fb52be72204e3c6a600114ff7f23a40
Author: Matthias Klumpp <matthias tenstral net>
Date:   Sat Aug 8 18:19:19 2015 +0200

    trivial: Fix typo

 src/org.freedesktop.PackageKit.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/org.freedesktop.PackageKit.xml b/src/org.freedesktop.PackageKit.xml
index 38be726..c70cac3 100644
--- a/src/org.freedesktop.PackageKit.xml
+++ b/src/org.freedesktop.PackageKit.xml
@@ -9,7 +9,7 @@
     <doc:doc>
       <doc:description>
         <doc:para>
-          The interface used for quering the package database.
+          The interface used for querying the package database.
         </doc:para>
       </doc:description>
     </doc:doc>