Update documentation main page

docs/main.dox

@@ -11,16 +11,15 @@ for creating windows, contexts and surfaces, reading input, handling events, etc
 See @ref news_32 for release highlights or the
 [version history](http://www.glfw.org/changelog.html) for details.
 
-@ref quick_guide is a guide for those new to GLFW.  It takes you through how to
-write a small but complete program.  For people coming from GLFW 2, @ref
-moving_guide explains what has changed and how to update existing code to use
-the new API.
+@ref quick_guide is a guide for users new to GLFW.  It takes you through how to
+write a small but complete program.
 
-There are guides for each of the various areas of the API.
+There are guides for each section of the API:
 
  - @ref intro_guide – initialization, error handling and high-level design
  - @ref window_guide – creating and working with windows and framebuffers
  - @ref context_guide – working with OpenGL and OpenGL ES contexts
+ - @ref vulkan_guide - working with Vulkan objects and extensions
  - @ref monitor_guide – enumerating and working with monitors and video modes
  - @ref input_guide – receiving events, polling and processing input
 
@@ -29,18 +28,19 @@ Once you have written a program, see @ref compile_guide and @ref build_guide.
 The [reference documentation](modules.html) provides more detailed information
 about specific functions.
 
+@ref moving_guide explains what has changed and how to update existing code to
+use the new API.
+
 There is a section on @ref guarantees_limitations for pointer lifetimes,
 reentrancy, thread safety, event order and backward and forward compatibility.
 
-The @ref vulkan_guide guide fills in the gaps for how to use Vulkan with GLFW.
-
-The @ref rift_guide fills in the gaps for how to use LibOVR with GLFW.
+@ref rift_guide fills in the gaps for how to use LibOVR with GLFW.
 
 The [FAQ](http://www.glfw.org/faq.html) answers many common questions about the
 design, implementation and use of GLFW.
 
-Finally, the @ref compat_guide guide explains what APIs, standards and protocols
-GLFW uses and what happens when they are not present on a given machine.
+Finally, @ref compat_guide explains what APIs, standards and protocols GLFW uses
+and what happens when they are not present on a given machine.
 
 This documentation was generated with Doxygen.  The sources for it are available
 in both the [source distribution](http://www.glfw.org/download.html) and

docs/rift.dox

@@ -1,6 +1,6 @@
 /*!
 
-@page rift_guide Oculus Rift guide
+@page rift_guide Using GLFW with LibOVR
  
 @tableofcontents