diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index bb5e21034209..4d4dde447fe7 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -358,8 +358,6 @@ sgi-visws.txt
 	- short blurb on the SGI Visual Workstations.
 sh/
 	- directory with info on porting Linux to a new architecture.
-sharedsubtree.txt
-	- a description of shared subtrees for namespaces.
 smart-config.txt
 	- description of the Smart Config makefile feature.
 sony-laptop.txt
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 632fe3f376eb..e68021c08fbd 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -82,6 +82,8 @@ relay.txt
 	- info on relay, for efficient streaming from kernel to user space.
 romfs.txt
 	- description of the ROMFS filesystem.
+sharedsubtree.txt
+	- a description of shared subtrees for namespaces.
 smbfs.txt
 	- info on using filesystems with the SMB protocol (Win 3.11 and NT).
 spufs.txt
diff --git a/Documentation/sharedsubtree.txt b/Documentation/filesystems/sharedsubtree.txt
similarity index 100%
rename from Documentation/sharedsubtree.txt
rename to Documentation/filesystems/sharedsubtree.txt