diff --git a/components/lock.rst b/components/lock.rst
index 09caa86fb96..79ef3541ed0 100644
--- a/components/lock.rst
+++ b/components/lock.rst
@@ -356,7 +356,7 @@ accomplished, then the lock can be released by the store and acquired by
 someone else.
 
 The ``Lock`` provides several methods to check its health. The ``isExpired()``
-method checks whether or not it lifetime is over and the ``getRemainingLifetime()``
+method checks whether or not its lifetime is over and the ``getRemainingLifetime()``
 method returns its time to live in seconds.
 
 Using the above methods, a more robust code would be::