Fixed typos.

README.md

@@ -1,10 +1,10 @@
 ![VulkanSceneGraph](https://raw.githubusercontent.com/vsg-dev/VulkanSceneGraph/master/docs/images/VSGlogo.png)
 
-VulkanSceneGraph (VSG), is a modern, cross platform, high performance scene graph library built upon [Vulkan](https://www.khronos.org/vulkan/) graphics/compute API. The software is written in [C++17](https://en.wikipedia.org/wiki/C%2B%2B17), and follows the [CppCoreGuidlines](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines) and [FOSS Best Practices](https://github.com/coreinfrastructure/best-practices-badge/blob/master/doc/criteria.md).  The source code is published under the [MIT License](LICENSE.md).
+VulkanSceneGraph (VSG), is a modern, cross platform, high performance scene graph library built upon [Vulkan](https://www.khronos.org/vulkan/) graphics/compute API. The software is written in [C++17](https://en.wikipedia.org/wiki/C%2B%2B17), and follows the [CppCoreGuidelines](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines) and [FOSS Best Practices](https://github.com/coreinfrastructure/best-practices-badge/blob/master/doc/criteria.md).  The source code is published under the [MIT License](LICENSE.md).
 
 The project aims to bring the performance of Vulkan to the wider developer community by providing a modern, high quality software library that is easy to use and focused on making the development of high performance graphics and compute applications a productive and fun experience.  Sharing the same lead author as the OpenSceneGraph, all the lessons about software quality, performance and the needs of application developers are applied to VulkanSceneGraph to provide a distillation of what a next gen scene graph needs to be.
 
-This repository contains basic documentation, C++ headers and source and CMake build scripts to build the libvsg library.  Additional support libraries and examples are provided in separate repositories, links to these are provided below.  The software currently builds under Linux (desktops varients through to Jeston & Raspberry Pi), Windows (VisualStudio, MinWG & Cygwin), Android, and macOS & iOS (using [MoltenVk](https://github.com/KhronosGroup/MoltenVK)).
+This repository contains basic documentation, C++ headers and source and CMake build scripts to build the libvsg library.  Additional support libraries and examples are provided in separate repositories, links to these are provided below.  The software currently builds under Linux (desktops varients through to Jetson & Raspberry Pi), Windows (VisualStudio, MinWG & Cygwin), Android, and macOS & iOS (using [MoltenVk](https://github.com/KhronosGroup/MoltenVK)).
 
 ## Features
 The VulkanSceneGraph project is comprised of the main VulkanSceneGraph library (provided by this repo) and a collection of optional libraries, each in their own dedicated repositories hosted alongside each other on [https://github.com/vsg-dev](https://github.com/vsg-dev), that provide additional features and example programs and templates for your own VulkanSceneGraph projects.