|  | @@ -24,27 +24,27 @@ properly run all the tests.
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				|  |  |  If you are planning to work on any of the languages other than C and C++, you
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				|  |  |  will also need their appropriate development environments.
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				|  |  |  
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				|  |  | -If you want to work under Windows, we recommend you to use Visual Studio 2013.
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				|  |  | +If you want to work under Windows, we recommend the use of Visual Studio 2013.
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				|  |  |  The [Community or Express editions](http://www.visualstudio.com/en-us/downloads/download-visual-studio-vs.aspx)
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				|  |  |  are free and suitable for developing with grpc. Note however that our test
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				|  |  |  environment and tools are available for Unix environments only at the moment.
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				|  |  |  
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				|  |  |  ## Testing your changes
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				|  |  |  
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				|  |  | -We provide a tool to help you run our suite of tests in various environments.
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				|  |  | +We provide a tool to help run the suite of tests in various environments.
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				|  |  |  In order to run most of the available tests, one would need to run:
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				|  |  |  
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				|  |  |  `./tools/run_tests/run_tests.py`
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				|  |  |  
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				|  |  | -If you want to run all the possible tests for all possible languages, do this:
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				|  |  | +If you want to run all the possible tests for any of the languages {c, c++, node, php, python}, do this:
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				|  |  |  
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				|  |  | -`./tools/run_tests/run_tests.py -lall -call`
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				|  |  | +`./tools/run_tests/run_tests.py -l <lang> -c all`
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				|  |  |  
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				|  |  |  ## Adding or removing source code
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				|  |  |  
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				|  |  |  Each language uses its own build system to work. Currently, the root's Makefile
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				|  |  | -and the Visual Studio project files are building the C and C++ source code only
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				|  |  | -at the moment. In order to ease the maintenance of these files, we have a
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				|  |  | +and the Visual Studio project files are building only the C and C++ source code.
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				|  |  | +In order to ease the maintenance of these files, we have a
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				|  |  |  template system. Please do not contribute manual changes to any of the generated
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				|  |  |  files. Instead, modify the template files, or the build.json file, and
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				|  |  |  re-generate the project files using the following command:
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