diff -r 4275975a87c8 -r beabb80d6f3e src/source/admin_guide/app-plugins.rst
--- a/src/source/admin_guide/app-plugins.rst	Thu Dec 27 17:46:12 2018 +0100
+++ b/src/source/admin_guide/app-plugins.rst	Fri Dec 28 10:55:16 2018 +0100
@@ -7,7 +7,7 @@
 Elasticsearch
 +++++++++++++
 
-At first you need to install ElasticSearch (ES); PyAMS is actually compatible with version 5.4. The Ingest attachment
+At first you need to install ElasticSearch (ES); PyAMS is actually compatible with version 6.4. The Ingest attachment
 plug-in is also required to handle attachments correctly.
 
 Visit https://www.elastic.co/ to learn how to install Elasticsearch Server and `ingest-attachment` plug-in
@@ -16,7 +16,7 @@
 .. tip:: Documentation for installing ElasticSearch 6.4
 
     - https://www.elastic.co/guide/en/elasticsearch/reference/6.4/gs-installation.html
-    - https://www.elastic.co/guide/en/elasticsearch/plugins/4.4/ingest-attachment.html
+    - https://www.elastic.co/guide/en/elasticsearch/plugins/6.4/ingest-attachment.html
 
 
 After Elasticsearch installation, following steps describe how to configure ES with PyAMS.