[ocrfeeder] Add missing id parameter to <section> so yelp-check validates

[Andre Klapper <aklapper src gnome org>]

commit 22dcec278117dc51ed9e9c179a8fad569b1bf93c
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Sep 26 16:43:01 2017 +0200

    Add missing id parameter to <section> so yelp-check validates

 help/C/addingimage.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/addingimage.page b/help/C/addingimage.page
index 232cfef..4a5989a 100644
--- a/help/C/addingimage.page
+++ b/help/C/addingimage.page
@@ -28,7 +28,7 @@ in the pages' area.</p>
 <guiseq><gui>Edit</gui><gui>Delete Page</gui></guiseq> or
 right-click over the page's thumbnail and choose <gui>Delete</gui>.</p>
 
-<section>
+<section id="page-configuration">
 <title>Page Configuration</title>
 
 <p>To configure the page's size click in