Index: src/en/book/ch05-repository-admin.xml
===================================================================
--- src/en/book/ch05-repository-admin.xml (revision 2808)
+++ src/en/book/ch05-repository-admin.xml (working copy)
@@ -1797,7 +1797,7 @@
re-deploying a Berkeley DB repository on a new OS or CPU
architecture, switching between the Berkeley DB and FSFS
back-ends, or (as we'll cover in purging versioned
+ linkend="svn.reposadmin.maint.filtering" />) purging versioned
data from repository history.
Whatever your reason for migration repository history,