Add Optional to Configure bind user (elastic#78303)

eedugon · Adam Locke · commit d445d1326e5f · 2021-10-19T09:11:04.000-04:00
To avoid confusion I have added `(Optional)` to the item `Configure bind user` which is optional with Active Directory.
diff --git a/x-pack/docs/en/security/authentication/configuring-active-directory-realm.asciidoc b/x-pack/docs/en/security/authentication/configuring-active-directory-realm.asciidoc
@@ -100,7 +100,7 @@ operation are supported: failover and load balancing. See <<ref-ad-settings>>.
 
 . Restart {es}.
 
-. Configure a bind user. 
+. (Optional) Configure a bind user. 
 +
 --
 The Active Directory realm authenticates users using an LDAP bind request. By 

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ operation are supported: failover and load balancing. See <<ref-ad-settings>>.`
`100`	`100`
`101`	`101`	`. Restart {es}.`
`102`	`102`
`103`		`-. Configure a bind user.`
	`103`	`+. (Optional) Configure a bind user.`
`104`	`104`	`+`
`105`	`105`	`--`
`106`	`106`	`The Active Directory realm authenticates users using an LDAP bind request. By`