diff --git a/Developer-Guide.md b/Developer-Guide.md
index 1efe283..872a452 100644
--- a/Developer-Guide.md
+++ b/Developer-Guide.md
@@ -43,7 +43,7 @@ as described below.
 The minimum requirements are:
 
 * Git
-* Python 2.6 or 2.7 with the [`regex`](https://pypi.python.org/pypi/regex) module (see below)
+* Python 2.6 or 2.7 with a couple of extra modules (see below)
 * Java 7 (JRE and JDK)
 * [PhantomJS](http://phantomjs.org/) 1.6 or higher
 * [Closure Linter](https://developers.google.com/closure/utilities/docs/linter_howto)
@@ -51,7 +51,7 @@ The minimum requirements are:
 The executables `git`, `gjslint`, `java`, `jar`, `python`, and `phantomjs`
 should be in your `PATH`.
 
-To install the `regex` Python module, run `sudo pip install regex` or `sudo easy_install regex`, depending on your OS and Python installation.
+To install the extra Python modules, run `sudo pip install -r requirements.txt` or `sudo easy_install regex pystache`, depending on your OS and Python installation.
 
 Optionally, you can also install JSDoc 3. Installing JSDoc 3 is necessary
 if you want to run the full integration suite.
@@ -63,11 +63,6 @@ To get JSDoc from GitHub:
 Again, the `jsdoc` executable, located at the root of `jsdoc` repository,
 should be in your `PATH`.
 
-If you are want to modify the WebGL shaders, you'll need
-[glsl-unit](https://code.google.com/p/glsl-unit/).  Get it with git:
-
-    $ git clone https://code.google.com/p/glsl-unit/ build/glsl-unit
-
 
 ## Working with the build tool