diff --git a/Documentation/pi-futex.txt b/Documentation/pi-futex.txt
index 5d61dac..9a5bc86 100644
--- a/Documentation/pi-futex.txt
+++ b/Documentation/pi-futex.txt
@@ -118,4 +118,4 @@
 robust-futex, PI-futex, robust+PI-futex.
 
 More details about priority inheritance can be found in
-Documentation/rtmutex.txt.
+Documentation/rt-mutex.txt.