diff --git a/src/main/asciidoc/_chapters/security.adoc b/src/main/asciidoc/_chapters/security.adoc
index a80b2152612..cca9364a608 100644
--- a/src/main/asciidoc/_chapters/security.adoc
+++ b/src/main/asciidoc/_chapters/security.adoc
@@ -989,7 +989,7 @@ hbase> help "scan"
 ----
 
 +
-This example grants read access to the 'testuser' user and read/write access to the 'developers' group, on cells in the 'pii' column which match the filter.
+If you need to enable cell acl,the hfile.format.version option in hbase-site.xml should be greater than or equal to 3,and the hbase.security.access.early_out option should be set to false.This example grants read access to the 'testuser' user and read/write access to the 'developers' group, on cells in the 'pii' column which match the filter.
 +
 ----
 hbase> grant 'user', \