diff --git a/doc/Extensions/Authentication.md b/doc/Extensions/Authentication.md
index ae64699287..8a03488095 100644
--- a/doc/Extensions/Authentication.md
+++ b/doc/Extensions/Authentication.md
@@ -87,7 +87,7 @@ DB_PASSWORD="DBPASS"
 
 Config option: `active_directory`
 
-Install __php_ldap__  or __php7.0-ldap__, making sure to install the
+Install __php-ldap__  or __php8.1-ldap__, making sure to install the
 same version as PHP.
 
 If you have issues with secure LDAP try setting