diff --git a/doc/source/index.rst b/doc/source/index.rst
index 2dbf63b..c03aac6 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -54,6 +54,7 @@
 
    HACKING
    REVIEWING
+   test_writing_guide
 
 Framework
 ---------