[gnome-software] Fix two minor typos in gschema descriptions

[Piotr Drąg <piotrdrag src gnome org>]

commit 5885fecd9ca9b774cf6e88d88e07606fd0d910f0
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Feb 23 19:11:57 2016 +0100

    Fix two minor typos in gschema descriptions

 data/org.gnome.software.gschema.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/org.gnome.software.gschema.xml b/data/org.gnome.software.gschema.xml
index e1fbff5..ad87f0c 100644
--- a/data/org.gnome.software.gschema.xml
+++ b/data/org.gnome.software.gschema.xml
@@ -21,7 +21,7 @@
     <key name="prompt-for-nonfree" type="b">
       <default>true</default>
       <summary>Non-free applications show a warning dialog before install</summary>
-      <description>When non-free applications are installed a warning dialog can be shown. This controls if 
that dialog is supressed.</description>
+      <description>When non-free applications are installed a warning dialog can be shown. This controls if 
that dialog is suppressed.</description>
     </key>
     <key name="popular-overrides" type="as">
       <default>[]</default>
@@ -31,7 +31,7 @@
     <key name="extra-sources" type="as">
       <default>[]</default>
       <summary>The list of extra sources that have been previously enabled</summary>
-      <description>The list of sources that have been previously enabled when installing third party 
applications.</description>
+      <description>The list of sources that have been previously enabled when installing third-party 
applications.</description>
     </key>
     <key name="check-timestamp" type="x">
       <default>0</default>