Update RELEASE-NOTES for the 2.0.0 release
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 354f389..cf79d22 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -35,6 +35,7 @@
 
 ** Bug
     * [KARAF-5492] - Increase collectors scheduler period
+    * [KARAF-5587] - Deal with client error in appenders
 
 ** New Feature
     * [KARAF-4818] - Remove Jest client to use "native" REST elasticsearch client
@@ -59,7 +60,6 @@
 ** Dependency upgrade
     * [KARAF-5500] - Upgrade to Elasticsearch 5.x & 6.x
 
-
                     Apache Karaf Decanter 1.4.0
                     ===========================