diff --git a/components/lock.rst b/components/lock.rst
index a92da0dbe20..ddb53a14b38 100644
--- a/components/lock.rst
+++ b/components/lock.rst
@@ -143,6 +143,23 @@ to reset the TTL to its original value::
$lock->release();
}
+.. tip::
+
+ Another useful technique for long-running tasks is to pass a custom TTL as
+ an argument of the ``refresh()`` method to change the default lock TTL::
+
+ $lock = $factory->createLock('charts-generation', 30);
+ // ...
+ // refresh the lock for 30 seconds
+ $lock->refresh();
+ // ...
+ // refresh the lock for 600 seconds (next refresh() call will be 30 seconds again)
+ $lock->refresh(600);
+
+ .. versionadded:: 4.1
+ The feature to pass a custom TTL as an argument of the ``refresh()``
+ method was introduced in Symfony 4.1.
+
Available Stores
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