diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index bab49da..d318193 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -131,7 +131,7 @@
 }
 
 /*
- * See kernel/mutex.c for detailed documentation of these APIs.
+ * See kernel/locking/mutex.c for detailed documentation of these APIs.
  * Also see Documentation/mutex-design.txt.
  */
 #ifdef CONFIG_DEBUG_LOCK_ALLOC