[gnome-software] Mark the link explaining proprietary software for translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 0d69a4f6af2d89f27eda7e8b6e80ff5b816aa9ba
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Sep 18 20:32:30 2017 +0200

    Mark the link explaining proprietary software for translation
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787856

 data/org.gnome.software.gschema.xml |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.software.gschema.xml b/data/org.gnome.software.gschema.xml
index 81808b0..1285b95 100644
--- a/data/org.gnome.software.gschema.xml
+++ b/data/org.gnome.software.gschema.xml
@@ -127,7 +127,8 @@
       <summary>Show the installed size for apps in the list of installed applications</summary>
     </key>
     <key name="nonfree-software-uri" type="s">
-      <default>'https://en.wikipedia.org/wiki/Proprietary_software'</default>
+      <!-- Translators: Replace the link with a version in your language, e.g. 
'https://de.wikipedia.org/wiki/Proprietäre_Software'. Remember to include ''. -->
+      <default l10n="messages">'https://en.wikipedia.org/wiki/Proprietary_software'</default>
       <summary>The URI that explains nonfree and proprietary software</summary>
     </key>
     <key name="nonfree-sources" type="as">