X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/dbe638f61f1927ee6f3dffaaf2dc34418725f50a..b676f2dfbaa1aac981210c603bb6407d357a0340:/doc/reference.rst

diff --git a/doc/reference.rst b/doc/reference.rst
index 8e36056..64c37c6 100644
--- a/doc/reference.rst
+++ b/doc/reference.rst
@@ -1,4 +1,6 @@
 
+.. _reference:
+
 Module Reference
 ================
 
@@ -307,7 +309,7 @@ Domains
 -------
 
 A *domain* is a union of polyhedra.
-Unlike polyhedra, domains allow exact computation of union and complementary operations.
+Unlike polyhedra, domains allow exact computation of union, subtraction and complementary operations.
 
 .. class:: Domain(*polyhedra)
               Domain(string)