diff --git a/doc/reference.xml b/doc/reference.xml
index 3d2afb1..82acec3 100644
--- a/doc/reference.xml
+++ b/doc/reference.xml
@@ -236,7 +236,7 @@ typedef struct comedi_krange_struct com
typedef struct comedi_insnlist_struct comedi_insnlist;
The data structures used in the implementation of the &comedi; drivers
-are treated elsewhere.
+are described in .