--- a/docs/index.rst	Wed Aug 30 00:32:56 2017 +0200
+++ b/docs/index.rst	Wed Aug 30 10:30:48 2017 +0200
@@ -4,7 +4,8 @@
 Changeset Evolution with Mercurial
 ==================================
 
-`evolve`_ is a Mercurial extension for faster and safer mutable history.
+`evolve`_ is a Mercurial extension for faster and safer mutable history. It
+implements the changeset evolution concept for `Mercurial`_.
 
 * It offers a safe and simple way to refine changesets locally and propagate
   those changes to other repositories.
@@ -20,6 +21,7 @@
   since early 2012.
 
 .. _`evolve`: https://www.mercurial-scm.org/wiki/EvolveExtension
+.. _`Mercurial`: https://www.mercurial-scm.org/
 
 Installation and setup
 ----------------------