[pybliographer] help: Fix incorrect note parameter

[Andre Klapper <aklapper src gnome org>]

commit 3752bf903b32aeaaeda4a98b65bb833bfc1fcc4e
Author: Andre Klapper <aklapper wikimedia org>
Date:   Fri Sep 6 10:28:03 2019 +0200

    help: Fix incorrect note parameter

 help/C/gui-edit.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/gui-edit.page b/help/C/gui-edit.page
index c60c298..2fe6834 100644
--- a/help/C/gui-edit.page
+++ b/help/C/gui-edit.page
@@ -40,7 +40,7 @@
       a fake representation, and indicates it was not able to do a good job 
       on this field by setting a red symbol on its right, instead of a green one.
       </p>
-    <note type="warning">
+    <note style="warning">
       <p>If you edit such an  entry, you can loose  the additional
       information it  contained. To avoid this,  consider using native
       editing (see <link xref="gui-edit#gui-edit-native" />).</p>