[DOCS] Mark SQL feature as experimental

costin · costin · commit bd81b95e953a · 2018-06-12T19:46:08.000+03:00
diff --git a/x-pack/docs/en/sql/index.asciidoc b/x-pack/docs/en/sql/index.asciidoc
@@ -9,6 +9,9 @@
 
 [partintro]
 --
+
+experimental[]
+
 X-Pack includes a SQL feature to execute SQL against Elasticsearch
 indices and return tabular results. There are four main components:
 
