diff --git a/man4/initrd.4 b/man4/initrd.4
index 57fa65081..70ef9d361 100644
--- a/man4/initrd.4
+++ b/man4/initrd.4
@@ -243,7 +243,11 @@ and
 .B nfs_root_addrs
 boot options to give the NFS settings.
 For more information on NFS-mounted root see the kernel documentation file
-.BR Documentation/filesystems/nfsroot.txt .
+.I Documentation/filesystems/nfs/nfsroot.txt
+.\" commit dc7a08166f3a5f23e79e839a8a88849bd3397c32
+(or
+.I Documentation/filesystems/nfsroot.txt
+before Linux 2.6.33).
 For more information on setting the root filesystem see also the
 .BR LILO
 and