diff --git a/Changes b/Changes
index 0ea1330..7bab078 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,7 @@
 Revision history for MojoX-Renderer-TT
 
 {{$NEXT}}
+        - Document the 'c' stash variable (RT#70866, Matthias Bethke)
 
 1.20    August 1, 2011
         - Drop use of MojoX namespace for Mojolicious::Plugin::TtRenderer::
diff --git a/lib/Mojolicious/Plugin/TtRenderer.pm b/lib/Mojolicious/Plugin/TtRenderer.pm
index f467d21..b5a7d0d 100644
--- a/lib/Mojolicious/Plugin/TtRenderer.pm
+++ b/lib/Mojolicious/Plugin/TtRenderer.pm
@@ -52,6 +52,12 @@ L<Mojolicious::Plugin> and implements the following new ones.
 
 Register renderer in L<Mojolicious> application.
 
+=head1 EXTRA STASH VARIABLES
+
+The current controller instance can be accessed as C<c>.
+
+   [% c.req.headers.host %]
+
 =head1 SEE ALSO
 
 L<Mojolicious::Plugin::TtRenderer::Engine>, L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicious.org>.