[master] 2efb4633c document format change from cc8f349f809d4a91761bec73d2e4a92792690349

[Nils Goroll]

commit 2efb4633c93d20675ad6902f8a7679e8b53bb5a0
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Wed Jul 4 17:00:02 2018 +0200

    document format change from cc8f349f809d4a91761bec73d2e4a92792690349

diff --git a/doc/changes.rst b/doc/changes.rst
index 97ce46696..9c398cc53 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -67,6 +67,12 @@ bundled tools
   for custom profile definitions to also contain a prefix to match the
   tag against.
 
+logging
+-------
+
+* The backend name logged under the ``Backend_health`` tag has been
+  changed back from `vcl name`.`backend name` to just `backend name`
+
 C APIs (for vmod and utility authors)
 -------------------------------------