diff --git a/docs/reference/setup/secure-settings.asciidoc b/docs/reference/setup/secure-settings.asciidoc
index 76f7de6b9c1..933e649da58 100644
--- a/docs/reference/setup/secure-settings.asciidoc
+++ b/docs/reference/setup/secure-settings.asciidoc
@@ -11,6 +11,9 @@ NOTE: All commands here should be run as the user which will run Elasticsearch.
 NOTE: Only some settings are designed to be read from the keystore. See
 documentation for each setting to see if it is supported as part of the keystore.
 
+NOTE: All the modifications to the keystore take affect only after restarting
+Elasticsearch.
+
 [float]
 [[creating-keystore]]
 === Creating the keystore