Update tested Elasticsearch version

diff --git a/doc/14-features.md b/doc/14-features.md
index e895a0f3827d9d2ec8a568d4edeb5afd1af48735..378161acd014a722c6753c90877ce76d421a8396 100644 (file)
--- a/doc/14-features.md
+++ b/doc/14-features.md
@@ -403,7 +403,10 @@ The check results include parsed performance data metrics if enabled.
 
 > **Note**
 >
-> Elasticsearch 5.x or 6.x are required. This feature has been successfully tested with Elasticsearch 5.6.7 and 6.2.3.
+> Elasticsearch 5.x or 6.x are required. This feature has been successfully tested with
+> Elasticsearch 5.6.7 and 6.3.1.
+
+
 
 Enable the feature and restart Icinga 2.