diff --git a/doc/mappers.rst b/doc/mappers.rst
index 00b60742c547663718aaecb223931140dc0c9b3b..ae1ea16d941b98db64eddcdcda191262c6e62bfa 100644
--- a/doc/mappers.rst
+++ b/doc/mappers.rst
@@ -25,6 +25,9 @@ Mappers
 
 .. autoclass:: CCodeMapper
 
+.. autoclass:: GraphvizMapper
+
+
 Some minimal mathematics
 ^^^^^^^^^^^^^^^^^^^^^^^^