diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 96989bdd525..1e902941427 100644
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -497,6 +497,7 @@ All methods are executed atomically.
       There is no return value.
 
    .. method:: locked()
+
       Return true if the lock is acquired.