diff --git a/scrapy/trunk/docs/intro/index.rst b/scrapy/trunk/docs/intro/index.rst
index 478660709..6786dadd1 100644
--- a/scrapy/trunk/docs/intro/index.rst
+++ b/scrapy/trunk/docs/intro/index.rst
@@ -1,3 +1,5 @@
+.. _intro:
+
 Introduction
 ============
 
diff --git a/scrapy/trunk/docs/ref/index.rst b/scrapy/trunk/docs/ref/index.rst
index dfa26b813..050ebe28b 100644
--- a/scrapy/trunk/docs/ref/index.rst
+++ b/scrapy/trunk/docs/ref/index.rst
@@ -2,5 +2,6 @@ Reference
 =========
 
 .. toctree::
+   :maxdepth: 1
 
    settings
diff --git a/scrapy/trunk/docs/topics/index.rst b/scrapy/trunk/docs/topics/index.rst
index 2dff156cd..5aedaa06a 100644
--- a/scrapy/trunk/docs/topics/index.rst
+++ b/scrapy/trunk/docs/topics/index.rst
@@ -2,6 +2,7 @@ Topics
 ======
 
 .. toctree::
+   :maxdepth: 1
 
    selectors
    settings