[solang] Fix duplicated <section> id parameter so yelp-check validates

[Andre Klapper <aklapper src gnome org>]

commit 94cb50bda18f0c37adb49b8bd0d7c914fbe1442a
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Sep 25 18:17:21 2017 +0200

    Fix duplicated <section> id parameter so yelp-check validates

 help/C/tags_manage.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/tags_manage.page b/help/C/tags_manage.page
index 5ba6080..302b695 100644
--- a/help/C/tags_manage.page
+++ b/help/C/tags_manage.page
@@ -54,7 +54,7 @@
   </steps>
   </section>
 
-<section id="modify_tag" style="task">
+<section id="show_certain_tags" style="task">
   <title>Show only the tags you need.</title>
 
   <p>By default the <gui>Tag List</gui> shows only tags that are attached to your photos. But it can show 
the tags from your text documents, your videos...</p>