tweak docs per Torsten's suggestion

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2592 5a81b35b-ba03-0410-adc8-b2c5c5119f08

modules/doc/install.rst

-Installing OpenStructure
+Installing OpenStructure From Source
 ================================================================================
 
-This document describes how to install OpenStructure from source. If you are not planning to develop code for OpenStructure, you might be better off with one of the binaries available for download.
+This document describes how to install OpenStructure from source. If you are mainly insterested in using OpenStructure and are not planning to modify the code of OpenStructure itself, please use one of the binaries `available for download <http://openstructure.org/download/>`_.
 
 Installing the Dependencies
 --------------------------------------------------------------------------------

modules/doc/intro-01.rst

@@ -7,7 +7,7 @@ Loading and inspecting a protein structure
 --------------------------------------------------------------------------------
 
 The code to load and save structures is not directly part of the mol module, but rather lives in a module dedicated to input and output of any kind of data: The 
-:mod:`~ost.io` module. We will be using functions if this module to load 
+:mod:`~ost.io` module. We will be using functions of this module to load 
 structures. 
 
 One of the most commonly used file formats for macromolecular structures are PDB 

modules/index.rst

@@ -24,7 +24,7 @@ OpenStructure documentation
 For Starters
 --------------------------------------------------------------------------------
 
-**Installation**: :doc:`install`
+**Installation**: `install from binary <http://www.openstructure.org/download/>`_ | :doc:`install from source <install>`
 
 **Tutorial Style**: :doc:`introduction <intro>` | :doc:`molecules intro <intro-01>` | :doc:`images intro <intro-02>` | :doc:`graphics intro <intro-03>`
 
@@ -43,7 +43,7 @@ Molecules
 
 
 
-Images
+Density Maps and Images
 --------------------------------------------------------------------------------
 
 **Overview**: :doc:`images intro <intro-02>` | :doc:`img module <img/base/img>` | :doc:`img.alg module <img/alg/alg>`