Update community.asciidoc

This PR removes reference to a "master" branch, since it is going away.

Author: lcawl

community.asciidoc

@@ -111,6 +111,6 @@ https://github.com/Nexucis/es-php-index-helper[Link: nexucis/es-php-index-helper
 [quote, Index Helper]
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 This helper is a light library which wrap the official client elasticsearch-php. It will help you to manage your ES Indices with no downtime.
-This helper implements the philosophy described in the https://www.elastic.co/guide/en/elasticsearch/guide/master/index-aliases.html[official documentation]
+This helper implements the philosophy described in the https://www.elastic.co/guide/en/elasticsearch/guide/current/index-aliases.html[official documentation]
 which can be summarized in a few words : *use alias instead of index directly*
 _____________________