[totem/mallard-documentation] Don't abuse <code> for non-code text

[Andre Klapper <aklapper src gnome org>]

commit de96bbae9c3bd2bd8433c09ca19d14238ee9d185
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Jan 11 23:14:34 2019 +0100

    Don't abuse <code> for non-code text

 help/C/view-zoom.page | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/C/view-zoom.page b/help/C/view-zoom.page
index 8b805c6b..1a03330c 100644
--- a/help/C/view-zoom.page
+++ b/help/C/view-zoom.page
@@ -33,13 +33,13 @@
 
   <terms>
     <item>
-      <title><code>Zoom in</code></title>
+      <title>Zoom in</title>
       <p>Press the menu button in the top-right corner of the window and select
       <gui style="menuitem">Zoom In</gui> or press <key>R</key>. To zoom out,
       disable <gui style="menuitem">Zoom In</gui> again or press <key>T</key>.</p>
     </item>
     <item>
-      <title><code>Setting aspect ratio</code></title>
+      <title>Setting aspect ratio</title>
       <p>Press the menu button in the top-right corner of the window and select
       <gui style="menuitem">Aspect Ratio</gui>.</p>
     </item>