diff --git a/md.4 b/md.4
index 0712af2..aecff38 100644
--- a/md.4
+++ b/md.4
@@ -1061,7 +1061,7 @@ which contains various files for providing access to information about
 the array.
 
 This interface is documented more fully in the file
-.B Documentation/md.txt
+.B Documentation/admin-guide/md.rst
 which is distributed with the kernel sources.  That file should be
 consulted for full documentation.  The following are just a selection
 of attribute files that are available.