diff --git a/Documentation/locking/locktypes.rst b/Documentation/locking/locktypes.rst
index 4fd7b70fcde1..bfa75ea1b66a 100644
--- a/Documentation/locking/locktypes.rst
+++ b/Documentation/locking/locktypes.rst
@@ -247,7 +247,7 @@ based on rt_mutex which changes the semantics:
    Non-PREEMPT_RT kernels disable preemption to get this effect.
 
    PREEMPT_RT kernels use a per-CPU lock for serialization which keeps
-   preemption disabled. The lock disables softirq handlers and also
+   preemption enabled. The lock disables softirq handlers and also
    prevents reentrancy due to task preemption.
 
 PREEMPT_RT kernels preserve all other spinlock_t semantics: