[glade] help: Fix broken Feedback link in 'About' section

[Andre Klapper <aklapper src gnome org>]

commit 3fbdf5939566a61deb1f05c06378180d6f035151
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Jan 2 23:40:13 2020 +0100

    help: Fix broken Feedback link in 'About' section

 help/C/index.docbook | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/index.docbook b/help/C/index.docbook
index 55340889..c737099a 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -133,9 +133,9 @@
     <releaseinfo>This manual describes version &appversion; of &app;.</releaseinfo> 
     <legalnotice> 
       <title>Feedback</title> 
-      <para>To report a bug or make a suggestion regarding the &app; application or
-      this manual, follow the directions in the <ulink url="help:gnome-feedback"
-         type="help">GNOME Feedback Page</ulink>.
+      <para>To report a bug or make a suggestion regarding the &app; application or this manual, visit
+      the <ulink url="https://gitlab.gnome.org/GNOME/glade/issues/";>GNOME Issue Tracker</ulink>. 
+
       </para>
 <!-- Translators may also add here feedback address for translations -->
     </legalnotice>