[gnome-flashback] Minor grammar fix in polkit GSchema

[Piotr Drąg <piotrdrag src gnome org>]

commit 455f2f9aa5c6daa54b5eb2b1b85dc2ef20c8a572
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Aug 24 17:59:44 2015 +0200

    Minor grammar fix in polkit GSchema

 data/org.gnome.gnome-flashback.gschema.xml.in.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/org.gnome.gnome-flashback.gschema.xml.in.in 
b/data/org.gnome.gnome-flashback.gschema.xml.in.in
index da7d719..11c6b9d 100644
--- a/data/org.gnome.gnome-flashback.gschema.xml.in.in
+++ b/data/org.gnome.gnome-flashback.gschema.xml.in.in
@@ -27,8 +27,8 @@
                </key>
                <key name="polkit" type="b">
                        <default>true</default>
-                       <_summary>Authentication Agent for polkit</_summary>
-                       <_description>This is same authentication agent that was provided by 
PolicyKit-gnome.</_description>
+                       <_summary>Authentication agent for polkit</_summary>
+                       <_description>This is the same authentication agent that was provided by 
PolicyKit-gnome.</_description>
                </key>
                <key name="screencast" type="b">
                        <default>true</default>