diff --git a/README.md b/README.md
index 580e8d7c..0aae440c 100644
--- a/README.md
+++ b/README.md
@@ -173,12 +173,14 @@ or clone the repo:
     - [contrast](http://aheckmann.github.com/gm/docs.html#contrast)
     - [crop](http://aheckmann.github.com/gm/docs.html#crop)
     - [cycle](http://aheckmann.github.com/gm/docs.html#cycle)
+    - [density](http://aheckmann.github.com/gm/docs.html#density)
     - [despeckle](http://aheckmann.github.com/gm/docs.html#despeckle)
     - [dither](http://aheckmann.github.com/gm/docs.html#dither)
     - [edge](http://aheckmann.github.com/gm/docs.html#edge)
     - [emboss](http://aheckmann.github.com/gm/docs.html#emboss)
     - [enhance](http://aheckmann.github.com/gm/docs.html#enhance)
     - [equalize](http://aheckmann.github.com/gm/docs.html#equalize)
+    - [filter](http://aheckmann.github.com/gm/docs.html#filter)
     - [flip](http://aheckmann.github.com/gm/docs.html#flip)
     - [flop](http://aheckmann.github.com/gm/docs.html#flop)
     - [gamma](http://aheckmann.github.com/gm/docs.html#gamma)