Grammar and spacing fixes to README.md

Signed-off-by: Daniel Davison <daniel.jj.davison@gmail.com>

README.md

@@ -1,15 +1,15 @@
 # Selenium
 
-Selenium is an umbrella project for various tools and libraries that
-enable automation of web browsers.  Amongst other things it provides
-the support infrastructure for the [W3C WebDriver
-specification](https://dvcs.w3.org/hg/webdriver/raw-file/tip/webdriver-spec.html),
-that lets you write interchangable code for all major web browsers.
+Selenium is an umbrella project encapsulating a variety of tools and 
+libraries enabling web browser automation. Selenium specifically 
+provides infrastructure for the [W3C WebDriver specification](https://dvcs.w3.org/hg/webdriver/raw-file/tip/webdriver-spec.html) 
+— a platform and language-neutral coding interface compatible with all 
+major web browsers.
 
-The project is made possible by volunteer contributors who have put in
-thousands of hours of their own time, and made the source code freely
-available under the [Apache 2.0
-license](https://github.com/SeleniumHQ/selenium/blob/master/LICENSE).
+The project is made possible by volunteer contributors who've 
+generously donated thousands of hours in code development and upkeep. 
+
+Selenium's source code is made available under the [Apache 2.0 license](https://github.com/SeleniumHQ/selenium/blob/master/LICENSE).
 
 ## Documentation
 
@@ -28,17 +28,18 @@ API documentation:
 
 ## Pull Requests
 
-See [CONTRIBUTING.md](https://github.com/SeleniumHQ/selenium/blob/master/CONTRIBUTING.md).
+Please read [CONTRIBUTING.md](https://github.com/SeleniumHQ/selenium/blob/master/CONTRIBUTING.md) 
+before submitting your pull requests.
 
 ## Building
 
 Selenium uses a custom build system aptly named
 [crazyfun](https://github.com/SeleniumHQ/selenium/wiki/Crazy-Fun-Build)
 available on all fine platforms (Linux, Mac, Windows).  We are in the
-process of replacing this with
+process of replacing crazyfun with
 [buck](http://facebook.github.io/buck/), so don't be alarmed if you
-see some directories carrying multiple build directive files.
-crazyfun's build files are named *build.desc*,
+see directories carrying multiple build directive files.
+For reference, crazyfun's build files are named *build.desc*,
 while buck's are named simply *BUCK*.
 
 To build Selenium, in the same directory as this file:
@@ -49,8 +50,8 @@ To build Selenium, in the same directory as this file:
 
 The order of building modules is determined by the build system.
 If you want to build an individual module
-(assuming all dependent modules have previously been built)
-try something like:
+(assuming all dependent modules have previously been built),
+try the following:
 
 ```sh
 ./go //javascript/atoms:test:run
@@ -74,7 +75,7 @@ To list all available targets, you can append the `-T` flag:
 ### Buck
 
 Although the plan is to return to a vanilla build of Buck as soon as
-possible, we currently use a fork, hosted at
+possible, we currently use a fork hosted at
 https://github.com/shs96c/buck To build using Buck, first clone that
 repo and build using ant. Then add Buck's "bin" directory to your
 PATH.
@@ -134,13 +135,13 @@ you also need:
 * [Visual Studio 2008](http://www.microsoft.com/visualstudio/en-gb/products/2008-editions)
 * 32 and 64 bit cross compilers
 
-The build will work on any platform, but the tests for IE will be skipped
-silently, if you are not building on Windows.
+The build will work on any platform, but the tests for IE will be 
+skipped silently, if you are not building on Windows.
 
 ## Common Tasks
 
-For an express build of the binaries we release run the following from the
-directory containing the `Rakefile`:
+For an express build of the binaries we release run the following from 
+the directory containing the `Rakefile`:
 
 ```sh
 ./go clean release
@@ -285,9 +286,9 @@ targets.
 ## Maven _per se_
 
 If it is not clear already, Selenium is not built with Maven, it is
-built with [Crazy-Fun](https://github.com/SeleniumHQ/selenium/wiki/Crazy-Fun-Build) though
-that is invoked with *go* as outlined above so you do not really have
-to learn too much about that.
+built with [Crazy-Fun](https://github.com/SeleniumHQ/selenium/wiki/Crazy-Fun-Build) 
+though that is invoked with *go* as outlined above so you do not really 
+have to learn too much about that.
 
 That said, it is possible to relatively quickly build selenium pieces
 for Maven to use. You are only really going to want to do this when
@@ -309,5 +310,5 @@ the name.
 ## Useful Resources
 
 Refer to the [Building Web
-Driver](https://github.com/SeleniumHQ/selenium/wiki/Building-WebDriver) wiki
-page for the last word on building the bits and pieces of Selenium.
+Driver](https://github.com/SeleniumHQ/selenium/wiki/Building-WebDriver) 
+wiki page for the last word on building the bits and pieces of Selenium.