diff --git a/doc/source/api/api.txt b/doc/source/api/api.txt
index 3c6beeff..8b073adb 100644
--- a/doc/source/api/api.txt
+++ b/doc/source/api/api.txt
@@ -6,10 +6,36 @@ API Reference
 .. toctree::
 
    scikits.image
+   scikits.image.backend
+   scikits.image.backend.backend
+   scikits.image.backend.backend_old
    scikits.image.color
+   scikits.image.color.colorconv
    scikits.image.filter
+   scikits.image.filter.canny
+   scikits.image.filter.ctmf
+   scikits.image.filter.edges
+   scikits.image.filter.lpi_filter
+   scikits.image.filter.rank_order
    scikits.image.graph
+   scikits.image.graph.heap
+   scikits.image.graph.heap
+   scikits.image.graph.mcp
+   scikits.image.graph.spath
    scikits.image.io
+   scikits.image.io._plugins
+   scikits.image.io.collection
+   scikits.image.io.io
+   scikits.image.io.sift
    scikits.image.morphology
-   scikits.image.opencv
+   scikits.image.morphology.ccomp
+   scikits.image.morphology.ccomp
+   scikits.image.morphology.cmorph
+   scikits.image.morphology.cmorph
+   scikits.image.morphology.grey
+   scikits.image.morphology.selem
+   scikits.image.scripts.scivi
    scikits.image.transform
+   scikits.image.transform.finite_radon_transform
+   scikits.image.transform.hough_transform
+   scikits.image.transform.project
diff --git a/doc/source/api/scikits.image.filter.txt b/doc/source/api/scikits.image.filter.txt
index 0f1064bd..fdd24b3f 100644
--- a/doc/source/api/scikits.image.filter.txt
+++ b/doc/source/api/scikits.image.filter.txt
@@ -24,10 +24,18 @@ Inheritance diagram for ``scikits.image.filter``:
   .. automethod:: __init__
 .. autosummary::
 
+   scikits.image.filter.canny
    scikits.image.filter.inverse
    scikits.image.filter.median_filter
+   scikits.image.filter.sobel
+   scikits.image.filter.test
    scikits.image.filter.wiener
 
+canny
+-----
+
+.. autofunction:: scikits.image.filter.canny
+
 inverse
 -------
 
@@ -38,6 +46,16 @@ median_filter
 
 .. autofunction:: scikits.image.filter.median_filter
 
+sobel
+-----
+
+.. autofunction:: scikits.image.filter.sobel
+
+test
+----
+
+.. autofunction:: scikits.image.filter.test
+
 wiener
 ------