[gnome-documents] Mark images as not translatable to keep them off translators radar

[Gabor Keleman <kelemeng src gnome org>]

commit f236e05f4831de4c783b6a159eba6e8fd37faaf6
Author: Gabor Kelemen <kelemeng gnome hu>
Date:   Sun Mar 30 23:16:11 2014 +0200

    Mark images as not translatable to keep them off translators radar

 help/C/filter.page |    3 ++-
 help/C/search.page |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/help/C/filter.page b/help/C/filter.page
index d019db3..0585596 100644
--- a/help/C/filter.page
+++ b/help/C/filter.page
@@ -27,7 +27,8 @@
   <title>Filter documents</title>
 
   <p><link xref="search">Open the search</link> and click the
-  <media type="image" src="media/go-down.png">down</media> button next to the
+  <media type="image" src="media/go-down.png" its:translate="no">
+  <span its:translate="yes">down</span></media> button next to the
   search bar to limit the scope of the search in these categories:</p>
 
   <terms>
diff --git a/help/C/search.page b/help/C/search.page
index 0945ea4..69299da 100644
--- a/help/C/search.page
+++ b/help/C/search.page
@@ -50,7 +50,8 @@
 
   <note style="tip">
     <p>You can restrict or filter the search results by clicking the
-    <media type="image" src="media/go-down.png">down</media> button and
+    <media type="image" src="media/go-down.png" its:translate="no">
+    <span its:translate="yes">down</span></media> button and
     selecting various <link xref="filter">filters</link>.</p>
   </note>