From ee175f19f3095652039d8909b5a2c4edfcf639cc Mon Sep 17 00:00:00 2001
From: gchaps <33642766+gchaps@users.noreply.github.com>
Date: Thu, 21 Nov 2019 11:01:52 -0800
Subject: [PATCH] [DOCS] Adds clarification ot encryption key setting (#51244)
 (#51325)

---
 docs/settings/security-settings.asciidoc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/settings/security-settings.asciidoc b/docs/settings/security-settings.asciidoc
index 2ba1369369a6..b852d38c05dc 100644
--- a/docs/settings/security-settings.asciidoc
+++ b/docs/settings/security-settings.asciidoc
@@ -40,6 +40,8 @@ An arbitrary string of 32 characters or more that is used to encrypt credentials
 in a cookie. It is crucial that this key is not exposed to users of {kib}. By
 default, a value is automatically generated in memory. If you use that default
 behavior, all sessions are invalidated when {kib} restarts.
+In addition, high-availability deployments of {kib} will behave unexpectedly 
+if this setting isn't the same for all instances of {kib}.
 
 `xpack.security.secureCookies`::
 Sets the `secure` flag of the session cookie. The default value is `false`. It