diff --git a/manual/config/ldap_in_pro.md b/manual/config/ldap_in_pro.md
index 3891f3bc..48e3483e 100644
--- a/manual/config/ldap_in_pro.md
+++ b/manual/config/ldap_in_pro.md
@@ -368,7 +368,7 @@ ENABLE_LDAP = True
 ......
 
 # Multi ldap config options
-ENABLE_MULTI_LDAP_1 = True
+ENABLE_MULTI_LDAP = True
 MULTI_LDAP_1_SERVER_URL = 'ldap://192.168.0.2'
 MULTI_LDAP_1_BASE_DN = 'ou=test,dc=seafile,dc=top'
 MULTI_LDAP_1_ADMIN_DN = 'administrator@example.top'